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Finding the Fourth Proportional to 71,353.80, 107,030.70 and 41,756.40

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Solution

The fourth proportional to 71,353.80, 107,030.70 and 41,756.40 is: 62,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,353.80 : 107,030.70 = 41,756.40 : x
  2. Step 2: Convert to fraction form
    71,353.80/107,030.70 = 41,756.40/x
  3. Step 3: Cross multiply
    71,353.80x = 107,030.70 × 41,756.40
  4. Step 4: Simplify right side
    71,353.80x = 4,469,216,721.48
  5. Step 5: Solve for x
    x = 4,469,216,721.48/71,353.80
  6. Step 6: Final answer
    x = 62,634.60

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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.