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Finding the Fourth Proportional to 32,660.64, 45,001.80 and 22,031.64

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Solution

The fourth proportional to 32,660.64, 45,001.80 and 22,031.64 is: 30,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,660.64 : 45,001.80 = 22,031.64 : x
  2. Step 2: Convert to fraction form
    32,660.64/45,001.80 = 22,031.64/x
  3. Step 3: Cross multiply
    32,660.64x = 45,001.80 × 22,031.64
  4. Step 4: Simplify right side
    32,660.64x = 991,463,456.95
  5. Step 5: Solve for x
    x = 991,463,456.95/32,660.64
  6. Step 6: Final answer
    x = 30,356.52

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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.