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Finding the Fourth Proportional to 15,652.84, 23,479.25 and 8,154.84

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Solution

The fourth proportional to 15,652.84, 23,479.25 and 8,154.84 is: 12,232.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.84 : 23,479.25 = 8,154.84 : x
  2. Step 2: Convert to fraction form
    15,652.84/23,479.25 = 8,154.84/x
  3. Step 3: Cross multiply
    15,652.84x = 23,479.25 × 8,154.84
  4. Step 4: Simplify right side
    15,652.84x = 191,469,547.46
  5. Step 5: Solve for x
    x = 191,469,547.46/15,652.84
  6. Step 6: Final answer
    x = 12,232.26

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Similar ratio
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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.