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Finding the Fourth Proportional to 15,652.41, 23,479.98 and 3,965.63

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Solution

The fourth proportional to 15,652.41, 23,479.98 and 3,965.63 is: 5,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,652.41 : 23,479.98 = 3,965.63 : x
  2. Step 2: Convert to fraction form
    15,652.41/23,479.98 = 3,965.63/x
  3. Step 3: Cross multiply
    15,652.41x = 23,479.98 × 3,965.63
  4. Step 4: Simplify right side
    15,652.41x = 93,112,780.82
  5. Step 5: Solve for x
    x = 93,112,780.82/15,652.41
  6. Step 6: Final answer
    x = 5,948.78

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Double scale
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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.