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Finding the Fourth Proportional to 25,797.68, 38,696.30 and 15,340.16

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Solution

The fourth proportional to 25,797.68, 38,696.30 and 15,340.16 is: 23,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,797.68 : 38,696.30 = 15,340.16 : x
  2. Step 2: Convert to fraction form
    25,797.68/38,696.30 = 15,340.16/x
  3. Step 3: Cross multiply
    25,797.68x = 38,696.30 × 15,340.16
  4. Step 4: Simplify right side
    25,797.68x = 593,607,433.41
  5. Step 5: Solve for x
    x = 593,607,433.41/25,797.68
  6. Step 6: Final answer
    x = 23,010.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.