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Finding the Fourth Proportional to 8,258,341.55, 12,387,512.33 and 8,258,341.55

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Solution

The fourth proportional to 8,258,341.55, 12,387,512.33 and 8,258,341.55 is: 12,387,512.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,341.55 : 12,387,512.33 = 8,258,341.55 : x
  2. Step 2: Convert to fraction form
    8,258,341.55/12,387,512.33 = 8,258,341.55/x
  3. Step 3: Cross multiply
    8,258,341.55x = 12,387,512.33 × 8,258,341.55
  4. Step 4: Simplify right side
    8,258,341.55x = 102,300,307,734,684.59
  5. Step 5: Solve for x
    x = 102,300,307,734,684.59/8,258,341.55
  6. Step 6: Final answer
    x = 12,387,512.33

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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.