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Finding the Fourth Proportional to 61,899.86, 92,850.20 and 15,152.90

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Solution

The fourth proportional to 61,899.86, 92,850.20 and 15,152.90 is: 22,729.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,899.86 : 92,850.20 = 15,152.90 : x
  2. Step 2: Convert to fraction form
    61,899.86/92,850.20 = 15,152.90/x
  3. Step 3: Cross multiply
    61,899.86x = 92,850.20 × 15,152.90
  4. Step 4: Simplify right side
    61,899.86x = 1,406,949,369.21
  5. Step 5: Solve for x
    x = 1,406,949,369.21/61,899.86
  6. Step 6: Final answer
    x = 22,729.45

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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.