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Finding the Fourth Proportional to 29,715.33, 44,575.05 and 8,655.55

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Solution

The fourth proportional to 29,715.33, 44,575.05 and 8,655.55 is: 12,983.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,715.33 : 44,575.05 = 8,655.55 : x
  2. Step 2: Convert to fraction form
    29,715.33/44,575.05 = 8,655.55/x
  3. Step 3: Cross multiply
    29,715.33x = 44,575.05 × 8,655.55
  4. Step 4: Simplify right side
    29,715.33x = 385,821,371.51
  5. Step 5: Solve for x
    x = 385,821,371.51/29,715.33
  6. Step 6: Final answer
    x = 12,983.92

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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.