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Finding the Fourth Proportional to 8,867,841.32, 13,295,378.03 and 5,449,064.48

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Solution

The fourth proportional to 8,867,841.32, 13,295,378.03 and 5,449,064.48 is: 8,169,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867,841.32 : 13,295,378.03 = 5,449,064.48 : x
  2. Step 2: Convert to fraction form
    8,867,841.32/13,295,378.03 = 5,449,064.48/x
  3. Step 3: Cross multiply
    8,867,841.32x = 13,295,378.03 × 5,449,064.48
  4. Step 4: Simplify right side
    8,867,841.32x = 72,447,372,077,723.16
  5. Step 5: Solve for x
    x = 72,447,372,077,723.16/8,867,841.32
  6. Step 6: Final answer
    x = 8,169,673.94

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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.