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Finding the Fourth Proportional to 8,914,671.45, 12,302,295.71 and 4,840,290.45

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Solution

The fourth proportional to 8,914,671.45, 12,302,295.71 and 4,840,290.45 is: 6,679,627.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,914,671.45 : 12,302,295.71 = 4,840,290.45 : x
  2. Step 2: Convert to fraction form
    8,914,671.45/12,302,295.71 = 4,840,290.45/x
  3. Step 3: Cross multiply
    8,914,671.45x = 12,302,295.71 × 4,840,290.45
  4. Step 4: Simplify right side
    8,914,671.45x = 59,546,684,413,987.52
  5. Step 5: Solve for x
    x = 59,546,684,413,987.52/8,914,671.45
  6. Step 6: Final answer
    x = 6,679,627.48

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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.