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Finding the Fourth Proportional to 32,809.10, 45,278.03 and 18,473.87

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Solution

The fourth proportional to 32,809.10, 45,278.03 and 18,473.87 is: 25,494.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,809.10 : 45,278.03 = 18,473.87 : x
  2. Step 2: Convert to fraction form
    32,809.10/45,278.03 = 18,473.87/x
  3. Step 3: Cross multiply
    32,809.10x = 45,278.03 × 18,473.87
  4. Step 4: Simplify right side
    32,809.10x = 836,460,259.87
  5. Step 5: Solve for x
    x = 836,460,259.87/32,809.10
  6. Step 6: Final answer
    x = 25,494.76

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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.