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Finding the Fourth Proportional to 60,326.60, 90,344.10 and 57,702.20

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Solution

The fourth proportional to 60,326.60, 90,344.10 and 57,702.20 is: 86,413.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,326.60 : 90,344.10 = 57,702.20 : x
  2. Step 2: Convert to fraction form
    60,326.60/90,344.10 = 57,702.20/x
  3. Step 3: Cross multiply
    60,326.60x = 90,344.10 × 57,702.20
  4. Step 4: Simplify right side
    60,326.60x = 5,213,053,327.02
  5. Step 5: Solve for x
    x = 5,213,053,327.02/60,326.60
  6. Step 6: Final answer
    x = 86,413.84

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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.