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Finding the Fourth Proportional to 8,986,818.60, 13,480,227.90 and 5,963,509.80

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Solution

The fourth proportional to 8,986,818.60, 13,480,227.90 and 5,963,509.80 is: 8,945,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,818.60 : 13,480,227.90 = 5,963,509.80 : x
  2. Step 2: Convert to fraction form
    8,986,818.60/13,480,227.90 = 5,963,509.80/x
  3. Step 3: Cross multiply
    8,986,818.60x = 13,480,227.90 × 5,963,509.80
  4. Step 4: Simplify right side
    8,986,818.60x = 80,389,471,187,883.42
  5. Step 5: Solve for x
    x = 80,389,471,187,883.42/8,986,818.60
  6. Step 6: Final answer
    x = 8,945,264.70

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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.