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Finding the Fourth Proportional to 44,632,492.88, 66,974,568.71 and 18,722,473.79

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Solution

The fourth proportional to 44,632,492.88, 66,974,568.71 and 18,722,473.79 is: 28,094,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,632,492.88 : 66,974,568.71 = 18,722,473.79 : x
  2. Step 2: Convert to fraction form
    44,632,492.88/66,974,568.71 = 18,722,473.79/x
  3. Step 3: Cross multiply
    44,632,492.88x = 66,974,568.71 × 18,722,473.79
  4. Step 4: Simplify right side
    44,632,492.88x = 1,253,929,606,841,043.75
  5. Step 5: Solve for x
    x = 1,253,929,606,841,043.75/44,632,492.88
  6. Step 6: Final answer
    x = 28,094,545.61

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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.