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Finding the Fourth Proportional to 5,872,513.30, 8,229,916.70 and 5,872,513.30

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Solution

The fourth proportional to 5,872,513.30, 8,229,916.70 and 5,872,513.30 is: 8,229,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872,513.30 : 8,229,916.70 = 5,872,513.30 : x
  2. Step 2: Convert to fraction form
    5,872,513.30/8,229,916.70 = 5,872,513.30/x
  3. Step 3: Cross multiply
    5,872,513.30x = 8,229,916.70 × 5,872,513.30
  4. Step 4: Simplify right side
    5,872,513.30x = 48,330,295,278,642.11
  5. Step 5: Solve for x
    x = 48,330,295,278,642.11/5,872,513.30
  6. Step 6: Final answer
    x = 8,229,916.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.