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Finding the Fourth Proportional to 61,937.52, 92,906.70 and 15,190.38

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Solution

The fourth proportional to 61,937.52, 92,906.70 and 15,190.38 is: 22,785.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.52 : 92,906.70 = 15,190.38 : x
  2. Step 2: Convert to fraction form
    61,937.52/92,906.70 = 15,190.38/x
  3. Step 3: Cross multiply
    61,937.52x = 92,906.70 × 15,190.38
  4. Step 4: Simplify right side
    61,937.52x = 1,411,288,077.55
  5. Step 5: Solve for x
    x = 1,411,288,077.55/61,937.52
  6. Step 6: Final answer
    x = 22,785.67

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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.