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Finding the Fourth Proportional to 25,598.52, 38,397.78 and 8,959.11

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Solution

The fourth proportional to 25,598.52, 38,397.78 and 8,959.11 is: 13,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,598.52 : 38,397.78 = 8,959.11 : x
  2. Step 2: Convert to fraction form
    25,598.52/38,397.78 = 8,959.11/x
  3. Step 3: Cross multiply
    25,598.52x = 38,397.78 × 8,959.11
  4. Step 4: Simplify right side
    25,598.52x = 344,009,934.78
  5. Step 5: Solve for x
    x = 344,009,934.78/25,598.52
  6. Step 6: Final answer
    x = 13,438.67

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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.