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Finding the Fourth Proportional to 11,542.76, 15,929.07 and 6,765.52

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Solution

The fourth proportional to 11,542.76, 15,929.07 and 6,765.52 is: 9,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.76 : 15,929.07 = 6,765.52 : x
  2. Step 2: Convert to fraction form
    11,542.76/15,929.07 = 6,765.52/x
  3. Step 3: Cross multiply
    11,542.76x = 15,929.07 × 6,765.52
  4. Step 4: Simplify right side
    11,542.76x = 107,768,441.67
  5. Step 5: Solve for x
    x = 107,768,441.67/11,542.76
  6. Step 6: Final answer
    x = 9,336.45

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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.