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Finding the Fourth Proportional to 64,049.60, 96,077.90 and 26,613.45

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Solution

The fourth proportional to 64,049.60, 96,077.90 and 26,613.45 is: 39,921.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,049.60 : 96,077.90 = 26,613.45 : x
  2. Step 2: Convert to fraction form
    64,049.60/96,077.90 = 26,613.45/x
  3. Step 3: Cross multiply
    64,049.60x = 96,077.90 × 26,613.45
  4. Step 4: Simplify right side
    64,049.60x = 2,556,964,454.29
  5. Step 5: Solve for x
    x = 2,556,964,454.29/64,049.60
  6. Step 6: Final answer
    x = 39,921.63

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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.