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Finding the Fourth Proportional to 7,881,587.88, 10,876,609.88 and 4,259,915.88

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Solution

The fourth proportional to 7,881,587.88, 10,876,609.88 and 4,259,915.88 is: 5,878,693.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,587.88 : 10,876,609.88 = 4,259,915.88 : x
  2. Step 2: Convert to fraction form
    7,881,587.88/10,876,609.88 = 4,259,915.88/x
  3. Step 3: Cross multiply
    7,881,587.88x = 10,876,609.88 × 4,259,915.88
  4. Step 4: Simplify right side
    7,881,587.88x = 46,333,443,148,376.90
  5. Step 5: Solve for x
    x = 46,333,443,148,376.90/7,881,587.88
  6. Step 6: Final answer
    x = 5,878,693.97

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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.