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Finding the Fourth Proportional to 50,787.70, 70,070.06 and 29,562.46

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Solution

The fourth proportional to 50,787.70, 70,070.06 and 29,562.46 is: 40,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,787.70 : 70,070.06 = 29,562.46 : x
  2. Step 2: Convert to fraction form
    50,787.70/70,070.06 = 29,562.46/x
  3. Step 3: Cross multiply
    50,787.70x = 70,070.06 × 29,562.46
  4. Step 4: Simplify right side
    50,787.70x = 2,071,443,345.95
  5. Step 5: Solve for x
    x = 2,071,443,345.95/50,787.70
  6. Step 6: Final answer
    x = 40,786.32

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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.