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Finding the Fourth Proportional to 40,966.52, 61,459.50 and 13,264.52

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Solution

The fourth proportional to 40,966.52, 61,459.50 and 13,264.52 is: 19,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,966.52 : 61,459.50 = 13,264.52 : x
  2. Step 2: Convert to fraction form
    40,966.52/61,459.50 = 13,264.52/x
  3. Step 3: Cross multiply
    40,966.52x = 61,459.50 × 13,264.52
  4. Step 4: Simplify right side
    40,966.52x = 815,230,766.94
  5. Step 5: Solve for x
    x = 815,230,766.94/40,966.52
  6. Step 6: Final answer
    x = 19,899.93

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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.