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Finding the Fourth Proportional to 10,039.92, 15,059.88 and 7,066.20

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Solution

The fourth proportional to 10,039.92, 15,059.88 and 7,066.20 is: 10,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,039.92 : 15,059.88 = 7,066.20 : x
  2. Step 2: Convert to fraction form
    10,039.92/15,059.88 = 7,066.20/x
  3. Step 3: Cross multiply
    10,039.92x = 15,059.88 × 7,066.20
  4. Step 4: Simplify right side
    10,039.92x = 106,416,124.06
  5. Step 5: Solve for x
    x = 106,416,124.06/10,039.92
  6. Step 6: Final answer
    x = 10,599.30

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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.