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Finding the Fourth Proportional to 29,374.49, 44,062.59 and 7,187.87

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Solution

The fourth proportional to 29,374.49, 44,062.59 and 7,187.87 is: 10,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,374.49 : 44,062.59 = 7,187.87 : x
  2. Step 2: Convert to fraction form
    29,374.49/44,062.59 = 7,187.87/x
  3. Step 3: Cross multiply
    29,374.49x = 44,062.59 × 7,187.87
  4. Step 4: Simplify right side
    29,374.49x = 316,716,168.78
  5. Step 5: Solve for x
    x = 316,716,168.78/29,374.49
  6. Step 6: Final answer
    x = 10,782.01

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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.