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Finding the Fourth Proportional to 71,393.24, 98,523.25 and 39,562.67

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Solution

The fourth proportional to 71,393.24, 98,523.25 and 39,562.67 is: 54,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,393.24 : 98,523.25 = 39,562.67 : x
  2. Step 2: Convert to fraction form
    71,393.24/98,523.25 = 39,562.67/x
  3. Step 3: Cross multiply
    71,393.24x = 98,523.25 × 39,562.67
  4. Step 4: Simplify right side
    71,393.24x = 3,897,842,827.08
  5. Step 5: Solve for x
    x = 3,897,842,827.08/71,393.24
  6. Step 6: Final answer
    x = 54,596.81

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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.