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Finding the Fourth Proportional to 45,253.64, 67,792.16 and 29,623.88

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Solution

The fourth proportional to 45,253.64, 67,792.16 and 29,623.88 is: 44,378.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,253.64 : 67,792.16 = 29,623.88 : x
  2. Step 2: Convert to fraction form
    45,253.64/67,792.16 = 29,623.88/x
  3. Step 3: Cross multiply
    45,253.64x = 67,792.16 × 29,623.88
  4. Step 4: Simplify right side
    45,253.64x = 2,008,266,325.70
  5. Step 5: Solve for x
    x = 2,008,266,325.70/45,253.64
  6. Step 6: Final answer
    x = 44,378.01

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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.