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Finding the Fourth Proportional to 60,343.49, 83,272.75 and 33,485.78

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Solution

The fourth proportional to 60,343.49, 83,272.75 and 33,485.78 is: 46,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,343.49 : 83,272.75 = 33,485.78 : x
  2. Step 2: Convert to fraction form
    60,343.49/83,272.75 = 33,485.78/x
  3. Step 3: Cross multiply
    60,343.49x = 83,272.75 × 33,485.78
  4. Step 4: Simplify right side
    60,343.49x = 2,788,452,486.42
  5. Step 5: Solve for x
    x = 2,788,452,486.42/60,343.49
  6. Step 6: Final answer
    x = 46,209.67

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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.