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Finding the Fourth Proportional to 29,876.40, 44,822.29 and 8,815.59

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Solution

The fourth proportional to 29,876.40, 44,822.29 and 8,815.59 is: 13,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,876.40 : 44,822.29 = 8,815.59 : x
  2. Step 2: Convert to fraction form
    29,876.40/44,822.29 = 8,815.59/x
  3. Step 3: Cross multiply
    29,876.40x = 44,822.29 × 8,815.59
  4. Step 4: Simplify right side
    29,876.40x = 395,134,925.99
  5. Step 5: Solve for x
    x = 395,134,925.99/29,876.40
  6. Step 6: Final answer
    x = 13,225.65

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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.