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Finding the Fourth Proportional to 29,459.76, 40,644.66 and 16,711.68

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Solution

The fourth proportional to 29,459.76, 40,644.66 and 16,711.68 is: 23,056.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,459.76 : 40,644.66 = 16,711.68 : x
  2. Step 2: Convert to fraction form
    29,459.76/40,644.66 = 16,711.68/x
  3. Step 3: Cross multiply
    29,459.76x = 40,644.66 × 16,711.68
  4. Step 4: Simplify right side
    29,459.76x = 679,240,551.63
  5. Step 5: Solve for x
    x = 679,240,551.63/29,459.76
  6. Step 6: Final answer
    x = 23,056.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.