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Finding the Fourth Proportional to 18,974,353.68, 28,466,808.48 and 6,195,625.20

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Solution

The fourth proportional to 18,974,353.68, 28,466,808.48 and 6,195,625.20 is: 9,295,161.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,974,353.68 : 28,466,808.48 = 6,195,625.20 : x
  2. Step 2: Convert to fraction form
    18,974,353.68/28,466,808.48 = 6,195,625.20/x
  3. Step 3: Cross multiply
    18,974,353.68x = 28,466,808.48 × 6,195,625.20
  4. Step 4: Simplify right side
    18,974,353.68x = 176,369,675,982,261.72
  5. Step 5: Solve for x
    x = 176,369,675,982,261.72/18,974,353.68
  6. Step 6: Final answer
    x = 9,295,161.19

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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.