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Finding the Fourth Proportional to 58,281.89, 80,428.88 and 32,788.26

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Solution

The fourth proportional to 58,281.89, 80,428.88 and 32,788.26 is: 45,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.89 : 80,428.88 = 32,788.26 : x
  2. Step 2: Convert to fraction form
    58,281.89/80,428.88 = 32,788.26/x
  3. Step 3: Cross multiply
    58,281.89x = 80,428.88 × 32,788.26
  4. Step 4: Simplify right side
    58,281.89x = 2,637,122,865.01
  5. Step 5: Solve for x
    x = 2,637,122,865.01/58,281.89
  6. Step 6: Final answer
    x = 45,247.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.