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Finding the Fourth Proportional to 61,436.47, 92,154.74 and 17,063.21

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Solution

The fourth proportional to 61,436.47, 92,154.74 and 17,063.21 is: 25,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,436.47 : 92,154.74 = 17,063.21 : x
  2. Step 2: Convert to fraction form
    61,436.47/92,154.74 = 17,063.21/x
  3. Step 3: Cross multiply
    61,436.47x = 92,154.74 × 17,063.21
  4. Step 4: Simplify right side
    61,436.47x = 1,572,455,826.19
  5. Step 5: Solve for x
    x = 1,572,455,826.19/61,436.47
  6. Step 6: Final answer
    x = 25,594.83

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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.