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Finding the Fourth Proportional to 39,232.40, 58,873.80 and 21,714.80

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Solution

The fourth proportional to 39,232.40, 58,873.80 and 21,714.80 is: 32,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,232.40 : 58,873.80 = 21,714.80 : x
  2. Step 2: Convert to fraction form
    39,232.40/58,873.80 = 21,714.80/x
  3. Step 3: Cross multiply
    39,232.40x = 58,873.80 × 21,714.80
  4. Step 4: Simplify right side
    39,232.40x = 1,278,432,792.24
  5. Step 5: Solve for x
    x = 1,278,432,792.24/39,232.40
  6. Step 6: Final answer
    x = 32,586.15

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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.