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Finding the Fourth Proportional to 31,950.48, 47,932.74 and 9,765.57

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Solution

The fourth proportional to 31,950.48, 47,932.74 and 9,765.57 is: 14,650.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,950.48 : 47,932.74 = 9,765.57 : x
  2. Step 2: Convert to fraction form
    31,950.48/47,932.74 = 9,765.57/x
  3. Step 3: Cross multiply
    31,950.48x = 47,932.74 × 9,765.57
  4. Step 4: Simplify right side
    31,950.48x = 468,090,527.76
  5. Step 5: Solve for x
    x = 468,090,527.76/31,950.48
  6. Step 6: Final answer
    x = 14,650.50

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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.