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Finding the Fourth Proportional to 60,412.53, 83,370.32 and 33,189.76

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Solution

The fourth proportional to 60,412.53, 83,370.32 and 33,189.76 is: 45,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,412.53 : 83,370.32 = 33,189.76 : x
  2. Step 2: Convert to fraction form
    60,412.53/83,370.32 = 33,189.76/x
  3. Step 3: Cross multiply
    60,412.53x = 83,370.32 × 33,189.76
  4. Step 4: Simplify right side
    60,412.53x = 2,767,040,911.92
  5. Step 5: Solve for x
    x = 2,767,040,911.92/60,412.53
  6. Step 6: Final answer
    x = 45,802.43

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1.5x scale

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.