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Finding the Fourth Proportional to 32,798.88, 45,258.39 and 18,456.95

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Solution

The fourth proportional to 32,798.88, 45,258.39 and 18,456.95 is: 25,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,798.88 : 45,258.39 = 18,456.95 : x
  2. Step 2: Convert to fraction form
    32,798.88/45,258.39 = 18,456.95/x
  3. Step 3: Cross multiply
    32,798.88x = 45,258.39 × 18,456.95
  4. Step 4: Simplify right side
    32,798.88x = 835,331,615.02
  5. Step 5: Solve for x
    x = 835,331,615.02/32,798.88
  6. Step 6: Final answer
    x = 25,468.30

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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.