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Finding the Fourth Proportional to 60,396.84, 83,388.49 and 37,769.90

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Solution

The fourth proportional to 60,396.84, 83,388.49 and 37,769.90 is: 52,148.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,396.84 : 83,388.49 = 37,769.90 : x
  2. Step 2: Convert to fraction form
    60,396.84/83,388.49 = 37,769.90/x
  3. Step 3: Cross multiply
    60,396.84x = 83,388.49 × 37,769.90
  4. Step 4: Simplify right side
    60,396.84x = 3,149,574,417.08
  5. Step 5: Solve for x
    x = 3,149,574,417.08/60,396.84
  6. Step 6: Final answer
    x = 52,148.00

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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.