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Finding the Fourth Proportional to 32,897.40, 45,398.90 and 18,557.90

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Solution

The fourth proportional to 32,897.40, 45,398.90 and 18,557.90 is: 25,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,897.40 : 45,398.90 = 18,557.90 : x
  2. Step 2: Convert to fraction form
    32,897.40/45,398.90 = 18,557.90/x
  3. Step 3: Cross multiply
    32,897.40x = 45,398.90 × 18,557.90
  4. Step 4: Simplify right side
    32,897.40x = 842,508,246.31
  5. Step 5: Solve for x
    x = 842,508,246.31/32,897.40
  6. Step 6: Final answer
    x = 25,610.18

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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.