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Finding the Fourth Proportional to 71,598.60, 98,800.56 and 39,762.36

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Solution

The fourth proportional to 71,598.60, 98,800.56 and 39,762.36 is: 54,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,598.60 : 98,800.56 = 39,762.36 : x
  2. Step 2: Convert to fraction form
    71,598.60/98,800.56 = 39,762.36/x
  3. Step 3: Cross multiply
    71,598.60x = 98,800.56 × 39,762.36
  4. Step 4: Simplify right side
    71,598.60x = 3,928,543,434.92
  5. Step 5: Solve for x
    x = 3,928,543,434.92/71,598.60
  6. Step 6: Final answer
    x = 54,869.00

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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.