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Finding the Fourth Proportional to 70,791.39, 106,154.37 and 26,406.27

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Solution

The fourth proportional to 70,791.39, 106,154.37 and 26,406.27 is: 39,597.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,791.39 : 106,154.37 = 26,406.27 : x
  2. Step 2: Convert to fraction form
    70,791.39/106,154.37 = 26,406.27/x
  3. Step 3: Cross multiply
    70,791.39x = 106,154.37 × 26,406.27
  4. Step 4: Simplify right side
    70,791.39x = 2,803,140,955.90
  5. Step 5: Solve for x
    x = 2,803,140,955.90/70,791.39
  6. Step 6: Final answer
    x = 39,597.20

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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.