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Finding the Fourth Proportional to 25,733.84, 38,601.68 and 8,866.76

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Solution

The fourth proportional to 25,733.84, 38,601.68 and 8,866.76 is: 13,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,733.84 : 38,601.68 = 8,866.76 : x
  2. Step 2: Convert to fraction form
    25,733.84/38,601.68 = 8,866.76/x
  3. Step 3: Cross multiply
    25,733.84x = 38,601.68 × 8,866.76
  4. Step 4: Simplify right side
    25,733.84x = 342,271,832.16
  5. Step 5: Solve for x
    x = 342,271,832.16/25,733.84
  6. Step 6: Final answer
    x = 13,300.46

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Similar ratio
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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.