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Finding the Fourth Proportional to 6,644,543.10, 9,308,658.90 and 6,644,543.10

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Solution

The fourth proportional to 6,644,543.10, 9,308,658.90 and 6,644,543.10 is: 9,308,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,644,543.10 : 9,308,658.90 = 6,644,543.10 : x
  2. Step 2: Convert to fraction form
    6,644,543.10/9,308,658.90 = 6,644,543.10/x
  3. Step 3: Cross multiply
    6,644,543.10x = 9,308,658.90 × 6,644,543.10
  4. Step 4: Simplify right side
    6,644,543.10x = 61,851,785,264,248.59
  5. Step 5: Solve for x
    x = 61,851,785,264,248.59/6,644,543.10
  6. Step 6: Final answer
    x = 9,308,658.90

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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.