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Finding the Fourth Proportional to 44,988.64, 67,476 and 15,399.68

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Solution

The fourth proportional to 44,988.64, 67,476 and 15,399.68 is: 23,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,988.64 : 67,476 = 15,399.68 : x
  2. Step 2: Convert to fraction form
    44,988.64/67,476 = 15,399.68/x
  3. Step 3: Cross multiply
    44,988.64x = 67,476 × 15,399.68
  4. Step 4: Simplify right side
    44,988.64x = 1,039,108,807.68
  5. Step 5: Solve for x
    x = 1,039,108,807.68/44,988.64
  6. Step 6: Final answer
    x = 23,097.14

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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.