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Finding the Fourth Proportional to 32,663.76, 45,084 and 18,524.88

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Solution

The fourth proportional to 32,663.76, 45,084 and 18,524.88 is: 25,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,663.76 : 45,084 = 18,524.88 : x
  2. Step 2: Convert to fraction form
    32,663.76/45,084 = 18,524.88/x
  3. Step 3: Cross multiply
    32,663.76x = 45,084 × 18,524.88
  4. Step 4: Simplify right side
    32,663.76x = 835,175,689.92
  5. Step 5: Solve for x
    x = 835,175,689.92/32,663.76
  6. Step 6: Final answer
    x = 25,568.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.