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Finding the Fourth Proportional to 10,901.79, 15,023.48 and 7,358.85

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Solution

The fourth proportional to 10,901.79, 15,023.48 and 7,358.85 is: 10,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.79 : 15,023.48 = 7,358.85 : x
  2. Step 2: Convert to fraction form
    10,901.79/15,023.48 = 7,358.85/x
  3. Step 3: Cross multiply
    10,901.79x = 15,023.48 × 7,358.85
  4. Step 4: Simplify right side
    10,901.79x = 110,555,499.00
  5. Step 5: Solve for x
    x = 110,555,499.00/10,901.79
  6. Step 6: Final answer
    x = 10,141.04

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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.