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Finding the Fourth Proportional to 58,543.59, 80,792.11 and 35,878.20

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Solution

The fourth proportional to 58,543.59, 80,792.11 and 35,878.20 is: 49,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,543.59 : 80,792.11 = 35,878.20 : x
  2. Step 2: Convert to fraction form
    58,543.59/80,792.11 = 35,878.20/x
  3. Step 3: Cross multiply
    58,543.59x = 80,792.11 × 35,878.20
  4. Step 4: Simplify right side
    58,543.59x = 2,898,675,391.31
  5. Step 5: Solve for x
    x = 2,898,675,391.31/58,543.59
  6. Step 6: Final answer
    x = 49,513.12

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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.