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Finding the Fourth Proportional to 56,554.40, 84,802.55 and 29,914.72

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Solution

The fourth proportional to 56,554.40, 84,802.55 and 29,914.72 is: 44,856.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,554.40 : 84,802.55 = 29,914.72 : x
  2. Step 2: Convert to fraction form
    56,554.40/84,802.55 = 29,914.72/x
  3. Step 3: Cross multiply
    56,554.40x = 84,802.55 × 29,914.72
  4. Step 4: Simplify right side
    56,554.40x = 2,536,844,176.96
  5. Step 5: Solve for x
    x = 2,536,844,176.96/56,554.40
  6. Step 6: Final answer
    x = 44,856.71

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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.