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Finding the Fourth Proportional to 8,696,554.12, 12,002,352.06 and 5,258,819.80

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Solution

The fourth proportional to 8,696,554.12, 12,002,352.06 and 5,258,819.80 is: 7,257,840.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696,554.12 : 12,002,352.06 = 5,258,819.80 : x
  2. Step 2: Convert to fraction form
    8,696,554.12/12,002,352.06 = 5,258,819.80/x
  3. Step 3: Cross multiply
    8,696,554.12x = 12,002,352.06 × 5,258,819.80
  4. Step 4: Simplify right side
    8,696,554.12x = 63,118,206,659,698.79
  5. Step 5: Solve for x
    x = 63,118,206,659,698.79/8,696,554.12
  6. Step 6: Final answer
    x = 7,257,840.96

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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.