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Finding the Fourth Proportional to 40,698.20, 60,917.70 and 29,034.20

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Solution

The fourth proportional to 40,698.20, 60,917.70 and 29,034.20 is: 43,458.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.20 : 60,917.70 = 29,034.20 : x
  2. Step 2: Convert to fraction form
    40,698.20/60,917.70 = 29,034.20/x
  3. Step 3: Cross multiply
    40,698.20x = 60,917.70 × 29,034.20
  4. Step 4: Simplify right side
    40,698.20x = 1,768,696,685.34
  5. Step 5: Solve for x
    x = 1,768,696,685.34/40,698.20
  6. Step 6: Final answer
    x = 43,458.84

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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.