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Finding the Fourth Proportional to 8,225.34, 11,350.80 and 4,499.34

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Solution

The fourth proportional to 8,225.34, 11,350.80 and 4,499.34 is: 6,209.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.34 : 11,350.80 = 4,499.34 : x
  2. Step 2: Convert to fraction form
    8,225.34/11,350.80 = 4,499.34/x
  3. Step 3: Cross multiply
    8,225.34x = 11,350.80 × 4,499.34
  4. Step 4: Simplify right side
    8,225.34x = 51,071,108.47
  5. Step 5: Solve for x
    x = 51,071,108.47/8,225.34
  6. Step 6: Final answer
    x = 6,209.00

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.