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Finding the Fourth Proportional to 71,503.53, 107,255.34 and 24,756.45

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Solution

The fourth proportional to 71,503.53, 107,255.34 and 24,756.45 is: 37,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,503.53 : 107,255.34 = 24,756.45 : x
  2. Step 2: Convert to fraction form
    71,503.53/107,255.34 = 24,756.45/x
  3. Step 3: Cross multiply
    71,503.53x = 107,255.34 × 24,756.45
  4. Step 4: Simplify right side
    71,503.53x = 2,655,261,461.94
  5. Step 5: Solve for x
    x = 2,655,261,461.94/71,503.53
  6. Step 6: Final answer
    x = 37,134.69

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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.