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Finding the Fourth Proportional to 64,575.56, 96,863.20 and 17,828.30

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Solution

The fourth proportional to 64,575.56, 96,863.20 and 17,828.30 is: 26,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,575.56 : 96,863.20 = 17,828.30 : x
  2. Step 2: Convert to fraction form
    64,575.56/96,863.20 = 17,828.30/x
  3. Step 3: Cross multiply
    64,575.56x = 96,863.20 × 17,828.30
  4. Step 4: Simplify right side
    64,575.56x = 1,726,906,386.15
  5. Step 5: Solve for x
    x = 1,726,906,386.15/64,575.56
  6. Step 6: Final answer
    x = 26,742.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.