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Finding the Fourth Proportional to 25,503.92, 38,255.88 and 7,973.84

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Solution

The fourth proportional to 25,503.92, 38,255.88 and 7,973.84 is: 11,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,503.92 : 38,255.88 = 7,973.84 : x
  2. Step 2: Convert to fraction form
    25,503.92/38,255.88 = 7,973.84/x
  3. Step 3: Cross multiply
    25,503.92x = 38,255.88 × 7,973.84
  4. Step 4: Simplify right side
    25,503.92x = 305,046,266.18
  5. Step 5: Solve for x
    x = 305,046,266.18/25,503.92
  6. Step 6: Final answer
    x = 11,960.76

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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.