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Finding the Fourth Proportional to 25,794.68, 38,706.34 and 13,948.16

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Solution

The fourth proportional to 25,794.68, 38,706.34 and 13,948.16 is: 20,929.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,794.68 : 38,706.34 = 13,948.16 : x
  2. Step 2: Convert to fraction form
    25,794.68/38,706.34 = 13,948.16/x
  3. Step 3: Cross multiply
    25,794.68x = 38,706.34 × 13,948.16
  4. Step 4: Simplify right side
    25,794.68x = 539,882,223.33
  5. Step 5: Solve for x
    x = 539,882,223.33/25,794.68
  6. Step 6: Final answer
    x = 20,929.98

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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.