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Finding the Fourth Proportional to 50,756.60, 70,034.82 and 29,542.70

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Solution

The fourth proportional to 50,756.60, 70,034.82 and 29,542.70 is: 40,763.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,756.60 : 70,034.82 = 29,542.70 : x
  2. Step 2: Convert to fraction form
    50,756.60/70,034.82 = 29,542.70/x
  3. Step 3: Cross multiply
    50,756.60x = 70,034.82 × 29,542.70
  4. Step 4: Simplify right side
    50,756.60x = 2,069,017,676.81
  5. Step 5: Solve for x
    x = 2,069,017,676.81/50,756.60
  6. Step 6: Final answer
    x = 40,763.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.