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Finding the Fourth Proportional to 6,655,542.12, 9,957,045.89 and 5,040,962.03

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Solution

The fourth proportional to 6,655,542.12, 9,957,045.89 and 5,040,962.03 is: 7,541,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,655,542.12 : 9,957,045.89 = 5,040,962.03 : x
  2. Step 2: Convert to fraction form
    6,655,542.12/9,957,045.89 = 5,040,962.03/x
  3. Step 3: Cross multiply
    6,655,542.12x = 9,957,045.89 × 5,040,962.03
  4. Step 4: Simplify right side
    6,655,542.12x = 50,193,090,299,952.58
  5. Step 5: Solve for x
    x = 50,193,090,299,952.58/6,655,542.12
  6. Step 6: Final answer
    x = 7,541,547.99

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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.