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Finding the Fourth Proportional to 32,897.13, 45,398.64 and 18,750.88

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Solution

The fourth proportional to 32,897.13, 45,398.64 and 18,750.88 is: 25,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,897.13 : 45,398.64 = 18,750.88 : x
  2. Step 2: Convert to fraction form
    32,897.13/45,398.64 = 18,750.88/x
  3. Step 3: Cross multiply
    32,897.13x = 45,398.64 × 18,750.88
  4. Step 4: Simplify right side
    32,897.13x = 851,264,450.80
  5. Step 5: Solve for x
    x = 851,264,450.80/32,897.13
  6. Step 6: Final answer
    x = 25,876.56

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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.