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Finding the Fourth Proportional to 5,872,512.55, 8,229,915.65 and 5,872,512.55

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Solution

The fourth proportional to 5,872,512.55, 8,229,915.65 and 5,872,512.55 is: 8,229,915.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872,512.55 : 8,229,915.65 = 5,872,512.55 : x
  2. Step 2: Convert to fraction form
    5,872,512.55/8,229,915.65 = 5,872,512.55/x
  3. Step 3: Cross multiply
    5,872,512.55x = 8,229,915.65 × 5,872,512.55
  4. Step 4: Simplify right side
    5,872,512.55x = 48,330,282,940,066.41
  5. Step 5: Solve for x
    x = 48,330,282,940,066.41/5,872,512.55
  6. Step 6: Final answer
    x = 8,229,915.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.