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Finding the Fourth Proportional to 53,406.06, 80,109.90 and 15,957.90

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Solution

The fourth proportional to 53,406.06, 80,109.90 and 15,957.90 is: 23,937.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,406.06 : 80,109.90 = 15,957.90 : x
  2. Step 2: Convert to fraction form
    53,406.06/80,109.90 = 15,957.90/x
  3. Step 3: Cross multiply
    53,406.06x = 80,109.90 × 15,957.90
  4. Step 4: Simplify right side
    53,406.06x = 1,278,385,773.21
  5. Step 5: Solve for x
    x = 1,278,385,773.21/53,406.06
  6. Step 6: Final answer
    x = 23,937.09

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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.