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Finding the Fourth Proportional to 32,671.30, 45,085.12 and 18,524.66

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Solution

The fourth proportional to 32,671.30, 45,085.12 and 18,524.66 is: 25,563.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,671.30 : 45,085.12 = 18,524.66 : x
  2. Step 2: Convert to fraction form
    32,671.30/45,085.12 = 18,524.66/x
  3. Step 3: Cross multiply
    32,671.30x = 45,085.12 × 18,524.66
  4. Step 4: Simplify right side
    32,671.30x = 835,186,519.06
  5. Step 5: Solve for x
    x = 835,186,519.06/32,671.30
  6. Step 6: Final answer
    x = 25,563.31

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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.