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Finding the Fourth Proportional to 60,785.80, 91,200.30 and 29,600.20

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Solution

The fourth proportional to 60,785.80, 91,200.30 and 29,600.20 is: 44,410.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,785.80 : 91,200.30 = 29,600.20 : x
  2. Step 2: Convert to fraction form
    60,785.80/91,200.30 = 29,600.20/x
  3. Step 3: Cross multiply
    60,785.80x = 91,200.30 × 29,600.20
  4. Step 4: Simplify right side
    60,785.80x = 2,699,547,120.06
  5. Step 5: Solve for x
    x = 2,699,547,120.06/60,785.80
  6. Step 6: Final answer
    x = 44,410.82

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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.