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Finding the Fourth Proportional to 60,330.91, 83,261.23 and 33,478.50

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Solution

The fourth proportional to 60,330.91, 83,261.23 and 33,478.50 is: 46,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,330.91 : 83,261.23 = 33,478.50 : x
  2. Step 2: Convert to fraction form
    60,330.91/83,261.23 = 33,478.50/x
  3. Step 3: Cross multiply
    60,330.91x = 83,261.23 × 33,478.50
  4. Step 4: Simplify right side
    60,330.91x = 2,787,461,088.56
  5. Step 5: Solve for x
    x = 2,787,461,088.56/60,330.91
  6. Step 6: Final answer
    x = 46,202.87

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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.