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Finding the Fourth Proportional to 15,372.76, 23,059.54 and 6,138.76

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Solution

The fourth proportional to 15,372.76, 23,059.54 and 6,138.76 is: 9,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.76 : 23,059.54 = 6,138.76 : x
  2. Step 2: Convert to fraction form
    15,372.76/23,059.54 = 6,138.76/x
  3. Step 3: Cross multiply
    15,372.76x = 23,059.54 × 6,138.76
  4. Step 4: Simplify right side
    15,372.76x = 141,556,981.77
  5. Step 5: Solve for x
    x = 141,556,981.77/15,372.76
  6. Step 6: Final answer
    x = 9,208.30

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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.