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Finding the Fourth Proportional to 16,847,507.79, 25,274,411.24 and 6,750,916.11

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Solution

The fourth proportional to 16,847,507.79, 25,274,411.24 and 6,750,916.11 is: 10,127,636.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,847,507.79 : 25,274,411.24 = 6,750,916.11 : x
  2. Step 2: Convert to fraction form
    16,847,507.79/25,274,411.24 = 6,750,916.11/x
  3. Step 3: Cross multiply
    16,847,507.79x = 25,274,411.24 × 6,750,916.11
  4. Step 4: Simplify right side
    16,847,507.79x = 170,625,429,977,126.50
  5. Step 5: Solve for x
    x = 170,625,429,977,126.50/16,847,507.79
  6. Step 6: Final answer
    x = 10,127,636.21

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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.