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Finding the Fourth Proportional to 31,510.80, 47,309.40 and 24,944.40

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Solution

The fourth proportional to 31,510.80, 47,309.40 and 24,944.40 is: 37,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,510.80 : 47,309.40 = 24,944.40 : x
  2. Step 2: Convert to fraction form
    31,510.80/47,309.40 = 24,944.40/x
  3. Step 3: Cross multiply
    31,510.80x = 47,309.40 × 24,944.40
  4. Step 4: Simplify right side
    31,510.80x = 1,180,104,597.36
  5. Step 5: Solve for x
    x = 1,180,104,597.36/31,510.80
  6. Step 6: Final answer
    x = 37,450.80

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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.