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Finding the Fourth Proportional to 60,515.22, 83,505.15 and 35,016.50

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Solution

The fourth proportional to 60,515.22, 83,505.15 and 35,016.50 is: 48,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515.22 : 83,505.15 = 35,016.50 : x
  2. Step 2: Convert to fraction form
    60,515.22/83,505.15 = 35,016.50/x
  3. Step 3: Cross multiply
    60,515.22x = 83,505.15 × 35,016.50
  4. Step 4: Simplify right side
    60,515.22x = 2,924,057,492.37
  5. Step 5: Solve for x
    x = 2,924,057,492.37/60,515.22
  6. Step 6: Final answer
    x = 48,319.38

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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.