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Finding the Fourth Proportional to 6,368,356.02, 8,786,023.38 and 3,613,447.98

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Solution

The fourth proportional to 6,368,356.02, 8,786,023.38 and 3,613,447.98 is: 4,985,248.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368,356.02 : 8,786,023.38 = 3,613,447.98 : x
  2. Step 2: Convert to fraction form
    6,368,356.02/8,786,023.38 = 3,613,447.98/x
  3. Step 3: Cross multiply
    6,368,356.02x = 8,786,023.38 × 3,613,447.98
  4. Step 4: Simplify right side
    6,368,356.02x = 31,747,838,434,693.77
  5. Step 5: Solve for x
    x = 31,747,838,434,693.77/6,368,356.02
  6. Step 6: Final answer
    x = 4,985,248.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.