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Finding the Fourth Proportional to 34,964.80, 48,312.80 and 27,949.12

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Solution

The fourth proportional to 34,964.80, 48,312.80 and 27,949.12 is: 38,618.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,964.80 : 48,312.80 = 27,949.12 : x
  2. Step 2: Convert to fraction form
    34,964.80/48,312.80 = 27,949.12/x
  3. Step 3: Cross multiply
    34,964.80x = 48,312.80 × 27,949.12
  4. Step 4: Simplify right side
    34,964.80x = 1,350,300,244.74
  5. Step 5: Solve for x
    x = 1,350,300,244.74/34,964.80
  6. Step 6: Final answer
    x = 38,618.85

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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.