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Finding the Fourth Proportional to 61,503.60, 92,250 and 17,127.48

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Solution

The fourth proportional to 61,503.60, 92,250 and 17,127.48 is: 25,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,503.60 : 92,250 = 17,127.48 : x
  2. Step 2: Convert to fraction form
    61,503.60/92,250 = 17,127.48/x
  3. Step 3: Cross multiply
    61,503.60x = 92,250 × 17,127.48
  4. Step 4: Simplify right side
    61,503.60x = 1,580,010,030
  5. Step 5: Solve for x
    x = 1,580,010,030/61,503.60
  6. Step 6: Final answer
    x = 25,689.72

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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.