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Finding the Fourth Proportional to 14,813,132.60, 20,752,557.40 and 14,813,132.60

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Solution

The fourth proportional to 14,813,132.60, 20,752,557.40 and 14,813,132.60 is: 20,752,557.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,813,132.60 : 20,752,557.40 = 14,813,132.60 : x
  2. Step 2: Convert to fraction form
    14,813,132.60/20,752,557.40 = 14,813,132.60/x
  3. Step 3: Cross multiply
    14,813,132.60x = 20,752,557.40 × 14,813,132.60
  4. Step 4: Simplify right side
    14,813,132.60x = 307,410,384,555,311.19
  5. Step 5: Solve for x
    x = 307,410,384,555,311.19/14,813,132.60
  6. Step 6: Final answer
    x = 20,752,557.40

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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.