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Finding the Fourth Proportional to 60,068.80, 90,116.13 and 17,952.31

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Solution

The fourth proportional to 60,068.80, 90,116.13 and 17,952.31 is: 26,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,068.80 : 90,116.13 = 17,952.31 : x
  2. Step 2: Convert to fraction form
    60,068.80/90,116.13 = 17,952.31/x
  3. Step 3: Cross multiply
    60,068.80x = 90,116.13 × 17,952.31
  4. Step 4: Simplify right side
    60,068.80x = 1,617,792,603.03
  5. Step 5: Solve for x
    x = 1,617,792,603.03/60,068.80
  6. Step 6: Final answer
    x = 26,932.33

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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.