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Finding the Fourth Proportional to 61,935.60, 92,903.76 and 15,188.52

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Solution

The fourth proportional to 61,935.60, 92,903.76 and 15,188.52 is: 22,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,935.60 : 92,903.76 = 15,188.52 : x
  2. Step 2: Convert to fraction form
    61,935.60/92,903.76 = 15,188.52/x
  3. Step 3: Cross multiply
    61,935.60x = 92,903.76 × 15,188.52
  4. Step 4: Simplify right side
    61,935.60x = 1,411,070,616.84
  5. Step 5: Solve for x
    x = 1,411,070,616.84/61,935.60
  6. Step 6: Final answer
    x = 22,782.87

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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.