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Finding the Fourth Proportional to 60,271.88, 90,413.88 and 15,901.70

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Solution

The fourth proportional to 60,271.88, 90,413.88 and 15,901.70 is: 23,854.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,271.88 : 90,413.88 = 15,901.70 : x
  2. Step 2: Convert to fraction form
    60,271.88/90,413.88 = 15,901.70/x
  3. Step 3: Cross multiply
    60,271.88x = 90,413.88 × 15,901.70
  4. Step 4: Simplify right side
    60,271.88x = 1,437,734,395.60
  5. Step 5: Solve for x
    x = 1,437,734,395.60/60,271.88
  6. Step 6: Final answer
    x = 23,854.15

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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.