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Finding the Fourth Proportional to 34,957.74, 48,310.11 and 31,069.74

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Solution

The fourth proportional to 34,957.74, 48,310.11 and 31,069.74 is: 42,937.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,957.74 : 48,310.11 = 31,069.74 : x
  2. Step 2: Convert to fraction form
    34,957.74/48,310.11 = 31,069.74/x
  3. Step 3: Cross multiply
    34,957.74x = 48,310.11 × 31,069.74
  4. Step 4: Simplify right side
    34,957.74x = 1,500,982,557.07
  5. Step 5: Solve for x
    x = 1,500,982,557.07/34,957.74
  6. Step 6: Final answer
    x = 42,937.06

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1.5x scale

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.