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Finding the Fourth Proportional to 59,107.60, 81,550.72 and 38,957.24

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Solution

The fourth proportional to 59,107.60, 81,550.72 and 38,957.24 is: 53,749.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,107.60 : 81,550.72 = 38,957.24 : x
  2. Step 2: Convert to fraction form
    59,107.60/81,550.72 = 38,957.24/x
  3. Step 3: Cross multiply
    59,107.60x = 81,550.72 × 38,957.24
  4. Step 4: Simplify right side
    59,107.60x = 3,176,990,971.21
  5. Step 5: Solve for x
    x = 3,176,990,971.21/59,107.60
  6. Step 6: Final answer
    x = 53,749.28

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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.