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Finding the Fourth Proportional to 25,343.65, 34,976.80 and 14,014.01

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Solution

The fourth proportional to 25,343.65, 34,976.80 and 14,014.01 is: 19,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,343.65 : 34,976.80 = 14,014.01 : x
  2. Step 2: Convert to fraction form
    25,343.65/34,976.80 = 14,014.01/x
  3. Step 3: Cross multiply
    25,343.65x = 34,976.80 × 14,014.01
  4. Step 4: Simplify right side
    25,343.65x = 490,165,251.10
  5. Step 5: Solve for x
    x = 490,165,251.10/25,343.65
  6. Step 6: Final answer
    x = 19,340.75

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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.