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Finding the Fourth Proportional to 29,442, 44,166.78 and 10,719.15

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Solution

The fourth proportional to 29,442, 44,166.78 and 10,719.15 is: 16,080.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,442 : 44,166.78 = 10,719.15 : x
  2. Step 2: Convert to fraction form
    29,442/44,166.78 = 10,719.15/x
  3. Step 3: Cross multiply
    29,442x = 44,166.78 × 10,719.15
  4. Step 4: Simplify right side
    29,442x = 473,430,339.84
  5. Step 5: Solve for x
    x = 473,430,339.84/29,442
  6. Step 6: Final answer
    x = 16,080.10

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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.