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Finding the Fourth Proportional to 8,917,393.02, 12,306,761.34 and 5,050,602.06

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Solution

The fourth proportional to 8,917,393.02, 12,306,761.34 and 5,050,602.06 is: 6,970,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917,393.02 : 12,306,761.34 = 5,050,602.06 : x
  2. Step 2: Convert to fraction form
    8,917,393.02/12,306,761.34 = 5,050,602.06/x
  3. Step 3: Cross multiply
    8,917,393.02x = 12,306,761.34 × 5,050,602.06
  4. Step 4: Simplify right side
    8,917,393.02x = 62,156,554,175,732.35
  5. Step 5: Solve for x
    x = 62,156,554,175,732.35/8,917,393.02
  6. Step 6: Final answer
    x = 6,970,260.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.