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Finding the Fourth Proportional to 32,669.64, 45,082.76 and 18,522.20

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Solution

The fourth proportional to 32,669.64, 45,082.76 and 18,522.20 is: 25,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,669.64 : 45,082.76 = 18,522.20 : x
  2. Step 2: Convert to fraction form
    32,669.64/45,082.76 = 18,522.20/x
  3. Step 3: Cross multiply
    32,669.64x = 45,082.76 × 18,522.20
  4. Step 4: Simplify right side
    32,669.64x = 835,031,897.27
  5. Step 5: Solve for x
    x = 835,031,897.27/32,669.64
  6. Step 6: Final answer
    x = 25,559.87

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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.