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Finding the Fourth Proportional to 6,769,418.95, 9,343,465.14 and 4,156,549.14

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Solution

The fourth proportional to 6,769,418.95, 9,343,465.14 and 4,156,549.14 is: 5,737,061.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,769,418.95 : 9,343,465.14 = 4,156,549.14 : x
  2. Step 2: Convert to fraction form
    6,769,418.95/9,343,465.14 = 4,156,549.14/x
  3. Step 3: Cross multiply
    6,769,418.95x = 9,343,465.14 × 4,156,549.14
  4. Step 4: Simplify right side
    6,769,418.95x = 38,836,572,006,392.66
  5. Step 5: Solve for x
    x = 38,836,572,006,392.66/6,769,418.95
  6. Step 6: Final answer
    x = 5,737,061.38

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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.