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Finding the Fourth Proportional to 48,404.39, 72,604.76 and 13,343.13

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Solution

The fourth proportional to 48,404.39, 72,604.76 and 13,343.13 is: 20,014.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,404.39 : 72,604.76 = 13,343.13 : x
  2. Step 2: Convert to fraction form
    48,404.39/72,604.76 = 13,343.13/x
  3. Step 3: Cross multiply
    48,404.39x = 72,604.76 × 13,343.13
  4. Step 4: Simplify right side
    48,404.39x = 968,774,684.58
  5. Step 5: Solve for x
    x = 968,774,684.58/48,404.39
  6. Step 6: Final answer
    x = 20,014.19

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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.