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Finding the Fourth Proportional to 22,999.57, 34,499.36 and 7,417.20

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Solution

The fourth proportional to 22,999.57, 34,499.36 and 7,417.20 is: 11,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,999.57 : 34,499.36 = 7,417.20 : x
  2. Step 2: Convert to fraction form
    22,999.57/34,499.36 = 7,417.20/x
  3. Step 3: Cross multiply
    22,999.57x = 34,499.36 × 7,417.20
  4. Step 4: Simplify right side
    22,999.57x = 255,888,457.67
  5. Step 5: Solve for x
    x = 255,888,457.67/22,999.57
  6. Step 6: Final answer
    x = 11,125.79

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.