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Finding the Fourth Proportional to 76,635.55, 114,964.10 and 26,708.48

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Solution

The fourth proportional to 76,635.55, 114,964.10 and 26,708.48 is: 40,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,635.55 : 114,964.10 = 26,708.48 : x
  2. Step 2: Convert to fraction form
    76,635.55/114,964.10 = 26,708.48/x
  3. Step 3: Cross multiply
    76,635.55x = 114,964.10 × 26,708.48
  4. Step 4: Simplify right side
    76,635.55x = 3,070,516,365.57
  5. Step 5: Solve for x
    x = 3,070,516,365.57/76,635.55
  6. Step 6: Final answer
    x = 40,066.48

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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.