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Finding the Fourth Proportional to 6,999.72, 10,499.58 and 6,572.04

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Solution

The fourth proportional to 6,999.72, 10,499.58 and 6,572.04 is: 9,858.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.72 : 10,499.58 = 6,572.04 : x
  2. Step 2: Convert to fraction form
    6,999.72/10,499.58 = 6,572.04/x
  3. Step 3: Cross multiply
    6,999.72x = 10,499.58 × 6,572.04
  4. Step 4: Simplify right side
    6,999.72x = 69,003,659.74
  5. Step 5: Solve for x
    x = 69,003,659.74/6,999.72
  6. Step 6: Final answer
    x = 9,858.06

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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.