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Finding the Fourth Proportional to 61,602.83, 92,390.12 and 17,232.72

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Solution

The fourth proportional to 61,602.83, 92,390.12 and 17,232.72 is: 25,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,602.83 : 92,390.12 = 17,232.72 : x
  2. Step 2: Convert to fraction form
    61,602.83/92,390.12 = 17,232.72/x
  3. Step 3: Cross multiply
    61,602.83x = 92,390.12 × 17,232.72
  4. Step 4: Simplify right side
    61,602.83x = 1,592,132,700.72
  5. Step 5: Solve for x
    x = 1,592,132,700.72/61,602.83
  6. Step 6: Final answer
    x = 25,845.12

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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.