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Finding the Fourth Proportional to 32,651.12, 45,061.17 and 18,504.88

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Solution

The fourth proportional to 32,651.12, 45,061.17 and 18,504.88 is: 25,538.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,651.12 : 45,061.17 = 18,504.88 : x
  2. Step 2: Convert to fraction form
    32,651.12/45,061.17 = 18,504.88/x
  3. Step 3: Cross multiply
    32,651.12x = 45,061.17 × 18,504.88
  4. Step 4: Simplify right side
    32,651.12x = 833,851,543.51
  5. Step 5: Solve for x
    x = 833,851,543.51/32,651.12
  6. Step 6: Final answer
    x = 25,538.22

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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.