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Finding the Fourth Proportional to 58,980.39, 88,042.92 and 54,590.15

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Solution

The fourth proportional to 58,980.39, 88,042.92 and 54,590.15 is: 81,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,980.39 : 88,042.92 = 54,590.15 : x
  2. Step 2: Convert to fraction form
    58,980.39/88,042.92 = 54,590.15/x
  3. Step 3: Cross multiply
    58,980.39x = 88,042.92 × 54,590.15
  4. Step 4: Simplify right side
    58,980.39x = 4,806,275,769.02
  5. Step 5: Solve for x
    x = 4,806,275,769.02/58,980.39
  6. Step 6: Final answer
    x = 81,489.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.