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Finding the Fourth Proportional to 31,302.80, 46,867.80 and 24,390.80

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Solution

The fourth proportional to 31,302.80, 46,867.80 and 24,390.80 is: 36,518.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,302.80 : 46,867.80 = 24,390.80 : x
  2. Step 2: Convert to fraction form
    31,302.80/46,867.80 = 24,390.80/x
  3. Step 3: Cross multiply
    31,302.80x = 46,867.80 × 24,390.80
  4. Step 4: Simplify right side
    31,302.80x = 1,143,143,136.24
  5. Step 5: Solve for x
    x = 1,143,143,136.24/31,302.80
  6. Step 6: Final answer
    x = 36,518.88

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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.