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Finding the Fourth Proportional to 29,507.76, 44,262.45 and 7,320.78

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Solution

The fourth proportional to 29,507.76, 44,262.45 and 7,320.78 is: 10,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,507.76 : 44,262.45 = 7,320.78 : x
  2. Step 2: Convert to fraction form
    29,507.76/44,262.45 = 7,320.78/x
  3. Step 3: Cross multiply
    29,507.76x = 44,262.45 × 7,320.78
  4. Step 4: Simplify right side
    29,507.76x = 324,035,658.71
  5. Step 5: Solve for x
    x = 324,035,658.71/29,507.76
  6. Step 6: Final answer
    x = 10,981.37

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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.