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Finding the Fourth Proportional to 64,757.76, 97,167.36 and 38,514.24

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Solution

The fourth proportional to 64,757.76, 97,167.36 and 38,514.24 is: 57,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,757.76 : 97,167.36 = 38,514.24 : x
  2. Step 2: Convert to fraction form
    64,757.76/97,167.36 = 38,514.24/x
  3. Step 3: Cross multiply
    64,757.76x = 97,167.36 × 38,514.24
  4. Step 4: Simplify right side
    64,757.76x = 3,742,327,023.21
  5. Step 5: Solve for x
    x = 3,742,327,023.21/64,757.76
  6. Step 6: Final answer
    x = 57,789.63

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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.