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Finding the Fourth Proportional to 31,957.68, 44,100.95 and 17,421.96

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Solution

The fourth proportional to 31,957.68, 44,100.95 and 17,421.96 is: 24,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,957.68 : 44,100.95 = 17,421.96 : x
  2. Step 2: Convert to fraction form
    31,957.68/44,100.95 = 17,421.96/x
  3. Step 3: Cross multiply
    31,957.68x = 44,100.95 × 17,421.96
  4. Step 4: Simplify right side
    31,957.68x = 768,324,899.75
  5. Step 5: Solve for x
    x = 768,324,899.75/31,957.68
  6. Step 6: Final answer
    x = 24,041.95

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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.