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Finding the Fourth Proportional to 58,275.61, 87,413.41 and 38,549.55

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Solution

The fourth proportional to 58,275.61, 87,413.41 and 38,549.55 is: 57,824.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,275.61 : 87,413.41 = 38,549.55 : x
  2. Step 2: Convert to fraction form
    58,275.61/87,413.41 = 38,549.55/x
  3. Step 3: Cross multiply
    58,275.61x = 87,413.41 × 38,549.55
  4. Step 4: Simplify right side
    58,275.61x = 3,369,747,619.47
  5. Step 5: Solve for x
    x = 3,369,747,619.47/58,275.61
  6. Step 6: Final answer
    x = 57,824.32

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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.