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Finding the Fourth Proportional to 29,132.77, 43,699.18 and 12,482

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Solution

The fourth proportional to 29,132.77, 43,699.18 and 12,482 is: 18,723.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,132.77 : 43,699.18 = 12,482 : x
  2. Step 2: Convert to fraction form
    29,132.77/43,699.18 = 12,482/x
  3. Step 3: Cross multiply
    29,132.77x = 43,699.18 × 12,482
  4. Step 4: Simplify right side
    29,132.77x = 545,453,164.76
  5. Step 5: Solve for x
    x = 545,453,164.76/29,132.77
  6. Step 6: Final answer
    x = 18,723.01

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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.