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Finding the Fourth Proportional to 45,710.70, 68,432.40 and 32,588.70

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Solution

The fourth proportional to 45,710.70, 68,432.40 and 32,588.70 is: 48,787.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,710.70 : 68,432.40 = 32,588.70 : x
  2. Step 2: Convert to fraction form
    45,710.70/68,432.40 = 32,588.70/x
  3. Step 3: Cross multiply
    45,710.70x = 68,432.40 × 32,588.70
  4. Step 4: Simplify right side
    45,710.70x = 2,230,122,953.88
  5. Step 5: Solve for x
    x = 2,230,122,953.88/45,710.70
  6. Step 6: Final answer
    x = 48,787.77

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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.