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Finding the Fourth Proportional to 60,830.13, 83,335.88 and 58,555.88

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Solution

The fourth proportional to 60,830.13, 83,335.88 and 58,555.88 is: 80,220.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,830.13 : 83,335.88 = 58,555.88 : x
  2. Step 2: Convert to fraction form
    60,830.13/83,335.88 = 58,555.88/x
  3. Step 3: Cross multiply
    60,830.13x = 83,335.88 × 58,555.88
  4. Step 4: Simplify right side
    60,830.13x = 4,879,805,788.97
  5. Step 5: Solve for x
    x = 4,879,805,788.97/60,830.13
  6. Step 6: Final answer
    x = 80,220.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.