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Finding the Fourth Proportional to 61,197.32, 91,800.54 and 31,596.68

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Solution

The fourth proportional to 61,197.32, 91,800.54 and 31,596.68 is: 47,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,197.32 : 91,800.54 = 31,596.68 : x
  2. Step 2: Convert to fraction form
    61,197.32/91,800.54 = 31,596.68/x
  3. Step 3: Cross multiply
    61,197.32x = 91,800.54 × 31,596.68
  4. Step 4: Simplify right side
    61,197.32x = 2,900,592,286.21
  5. Step 5: Solve for x
    x = 2,900,592,286.21/61,197.32
  6. Step 6: Final answer
    x = 47,397.37

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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.