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Finding the Fourth Proportional to 32,666.40, 45,082.98 and 19,241.88

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Solution

The fourth proportional to 32,666.40, 45,082.98 and 19,241.88 is: 26,555.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,666.40 : 45,082.98 = 19,241.88 : x
  2. Step 2: Convert to fraction form
    32,666.40/45,082.98 = 19,241.88/x
  3. Step 3: Cross multiply
    32,666.40x = 45,082.98 × 19,241.88
  4. Step 4: Simplify right side
    32,666.40x = 867,481,291.20
  5. Step 5: Solve for x
    x = 867,481,291.20/32,666.40
  6. Step 6: Final answer
    x = 26,555.77

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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.