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Finding the Fourth Proportional to 64,191.88, 96,268.38 and 17,438.68

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Solution

The fourth proportional to 64,191.88, 96,268.38 and 17,438.68 is: 26,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,191.88 : 96,268.38 = 17,438.68 : x
  2. Step 2: Convert to fraction form
    64,191.88/96,268.38 = 17,438.68/x
  3. Step 3: Cross multiply
    64,191.88x = 96,268.38 × 17,438.68
  4. Step 4: Simplify right side
    64,191.88x = 1,678,793,472.94
  5. Step 5: Solve for x
    x = 1,678,793,472.94/64,191.88
  6. Step 6: Final answer
    x = 26,152.74

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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.