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Finding the Fourth Proportional to 6,617,818.61, 9,896,253.03 and 6,294,968.20

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Solution

The fourth proportional to 6,617,818.61, 9,896,253.03 and 6,294,968.20 is: 9,413,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617,818.61 : 9,896,253.03 = 6,294,968.20 : x
  2. Step 2: Convert to fraction form
    6,617,818.61/9,896,253.03 = 6,294,968.20/x
  3. Step 3: Cross multiply
    6,617,818.61x = 9,896,253.03 × 6,294,968.20
  4. Step 4: Simplify right side
    6,617,818.61x = 62,296,598,135,373.96
  5. Step 5: Solve for x
    x = 62,296,598,135,373.96/6,617,818.61
  6. Step 6: Final answer
    x = 9,413,464.14

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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.