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Finding the Fourth Proportional to 9,182,693.80, 13,774,040.70 and 2,792,895.40

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Solution

The fourth proportional to 9,182,693.80, 13,774,040.70 and 2,792,895.40 is: 4,189,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182,693.80 : 13,774,040.70 = 2,792,895.40 : x
  2. Step 2: Convert to fraction form
    9,182,693.80/13,774,040.70 = 2,792,895.40/x
  3. Step 3: Cross multiply
    9,182,693.80x = 13,774,040.70 × 2,792,895.40
  4. Step 4: Simplify right side
    9,182,693.80x = 38,469,454,910,442.77
  5. Step 5: Solve for x
    x = 38,469,454,910,442.77/9,182,693.80
  6. Step 6: Final answer
    x = 4,189,343.10

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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.