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Finding the Fourth Proportional to 53,862.50, 80,793.75 and 18,792.74

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Solution

The fourth proportional to 53,862.50, 80,793.75 and 18,792.74 is: 28,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,862.50 : 80,793.75 = 18,792.74 : x
  2. Step 2: Convert to fraction form
    53,862.50/80,793.75 = 18,792.74/x
  3. Step 3: Cross multiply
    53,862.50x = 80,793.75 × 18,792.74
  4. Step 4: Simplify right side
    53,862.50x = 1,518,335,937.38
  5. Step 5: Solve for x
    x = 1,518,335,937.38/53,862.50
  6. Step 6: Final answer
    x = 28,189.11

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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.