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Finding the Fourth Proportional to 32,886.88, 45,689.99 and 32,493.20

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Solution

The fourth proportional to 32,886.88, 45,689.99 and 32,493.20 is: 45,143.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,886.88 : 45,689.99 = 32,493.20 : x
  2. Step 2: Convert to fraction form
    32,886.88/45,689.99 = 32,493.20/x
  3. Step 3: Cross multiply
    32,886.88x = 45,689.99 × 32,493.20
  4. Step 4: Simplify right side
    32,886.88x = 1,484,613,983.07
  5. Step 5: Solve for x
    x = 1,484,613,983.07/32,886.88
  6. Step 6: Final answer
    x = 45,143.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.