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Finding the Fourth Proportional to 29,030.38, 43,547.18 and 8,255.50

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Solution

The fourth proportional to 29,030.38, 43,547.18 and 8,255.50 is: 12,383.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,030.38 : 43,547.18 = 8,255.50 : x
  2. Step 2: Convert to fraction form
    29,030.38/43,547.18 = 8,255.50/x
  3. Step 3: Cross multiply
    29,030.38x = 43,547.18 × 8,255.50
  4. Step 4: Simplify right side
    29,030.38x = 359,503,744.49
  5. Step 5: Solve for x
    x = 359,503,744.49/29,030.38
  6. Step 6: Final answer
    x = 12,383.71

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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.