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Finding the Fourth Proportional to 56,372.70, 84,532.65 and 32,687.00

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Solution

The fourth proportional to 56,372.70, 84,532.65 and 32,687.00 is: 49,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,372.70 : 84,532.65 = 32,687.00 : x
  2. Step 2: Convert to fraction form
    56,372.70/84,532.65 = 32,687.00/x
  3. Step 3: Cross multiply
    56,372.70x = 84,532.65 × 32,687.00
  4. Step 4: Simplify right side
    56,372.70x = 2,763,118,307.89
  5. Step 5: Solve for x
    x = 2,763,118,307.89/56,372.70
  6. Step 6: Final answer
    x = 49,015.18

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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.