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Finding the Fourth Proportional to 64,613.08, 96,900.90 and 25,161.40

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Solution

The fourth proportional to 64,613.08, 96,900.90 and 25,161.40 is: 37,734.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,613.08 : 96,900.90 = 25,161.40 : x
  2. Step 2: Convert to fraction form
    64,613.08/96,900.90 = 25,161.40/x
  3. Step 3: Cross multiply
    64,613.08x = 96,900.90 × 25,161.40
  4. Step 4: Simplify right side
    64,613.08x = 2,438,162,305.26
  5. Step 5: Solve for x
    x = 2,438,162,305.26/64,613.08
  6. Step 6: Final answer
    x = 37,734.81

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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.