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Finding the Fourth Proportional to 27,329.32, 40,994.03 and 7,607.87

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Solution

The fourth proportional to 27,329.32, 40,994.03 and 7,607.87 is: 11,411.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,329.32 : 40,994.03 = 7,607.87 : x
  2. Step 2: Convert to fraction form
    27,329.32/40,994.03 = 7,607.87/x
  3. Step 3: Cross multiply
    27,329.32x = 40,994.03 × 7,607.87
  4. Step 4: Simplify right side
    27,329.32x = 311,877,251.02
  5. Step 5: Solve for x
    x = 311,877,251.02/27,329.32
  6. Step 6: Final answer
    x = 11,411.82

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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.