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Finding the Fourth Proportional to 60,270.61, 90,395.59 and 15,897.80

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Solution

The fourth proportional to 60,270.61, 90,395.59 and 15,897.80 is: 23,843.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,270.61 : 90,395.59 = 15,897.80 : x
  2. Step 2: Convert to fraction form
    60,270.61/90,395.59 = 15,897.80/x
  3. Step 3: Cross multiply
    60,270.61x = 90,395.59 × 15,897.80
  4. Step 4: Simplify right side
    60,270.61x = 1,437,091,010.70
  5. Step 5: Solve for x
    x = 1,437,091,010.70/60,270.61
  6. Step 6: Final answer
    x = 23,843.98

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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.