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Finding the Fourth Proportional to 11,361,677.84, 15,679,502.33 and 6,719,442.29

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Solution

The fourth proportional to 11,361,677.84, 15,679,502.33 and 6,719,442.29 is: 9,273,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361,677.84 : 15,679,502.33 = 6,719,442.29 : x
  2. Step 2: Convert to fraction form
    11,361,677.84/15,679,502.33 = 6,719,442.29/x
  3. Step 3: Cross multiply
    11,361,677.84x = 15,679,502.33 × 6,719,442.29
  4. Step 4: Simplify right side
    11,361,677.84x = 105,357,510,989,158.95
  5. Step 5: Solve for x
    x = 105,357,510,989,158.95/11,361,677.84
  6. Step 6: Final answer
    x = 9,273,059.18

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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.