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Finding the Fourth Proportional to 14,765,965.60, 22,144,801.20 and 4,671,680.80

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Solution

The fourth proportional to 14,765,965.60, 22,144,801.20 and 4,671,680.80 is: 7,006,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765,965.60 : 22,144,801.20 = 4,671,680.80 : x
  2. Step 2: Convert to fraction form
    14,765,965.60/22,144,801.20 = 4,671,680.80/x
  3. Step 3: Cross multiply
    14,765,965.60x = 22,144,801.20 × 4,671,680.80
  4. Step 4: Simplify right side
    14,765,965.60x = 103,453,442,585,856.95
  5. Step 5: Solve for x
    x = 103,453,442,585,856.95/14,765,965.60
  6. Step 6: Final answer
    x = 7,006,209.10

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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.