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Finding the Fourth Proportional to 13,462,293.60, 20,193,555.60 and 4,486,845.60

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Solution

The fourth proportional to 13,462,293.60, 20,193,555.60 and 4,486,845.60 is: 6,730,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,462,293.60 : 20,193,555.60 = 4,486,845.60 : x
  2. Step 2: Convert to fraction form
    13,462,293.60/20,193,555.60 = 4,486,845.60/x
  3. Step 3: Cross multiply
    13,462,293.60x = 20,193,555.60 × 4,486,845.60
  4. Step 4: Simplify right side
    13,462,293.60x = 90,605,366,092,215.36
  5. Step 5: Solve for x
    x = 90,605,366,092,215.36/13,462,293.60
  6. Step 6: Final answer
    x = 6,730,306.79

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1.5x scale

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.