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Finding the Fourth Proportional to 57,469.50, 79,307.91 and 32,319

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Solution

The fourth proportional to 57,469.50, 79,307.91 and 32,319 is: 44,600.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,469.50 : 79,307.91 = 32,319 : x
  2. Step 2: Convert to fraction form
    57,469.50/79,307.91 = 32,319/x
  3. Step 3: Cross multiply
    57,469.50x = 79,307.91 × 32,319
  4. Step 4: Simplify right side
    57,469.50x = 2,563,152,343.29
  5. Step 5: Solve for x
    x = 2,563,152,343.29/57,469.50
  6. Step 6: Final answer
    x = 44,600.22

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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.