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Finding the Fourth Proportional to 60,718.48, 83,792.58 and 33,858.10

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Solution

The fourth proportional to 60,718.48, 83,792.58 and 33,858.10 is: 46,724.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,718.48 : 83,792.58 = 33,858.10 : x
  2. Step 2: Convert to fraction form
    60,718.48/83,792.58 = 33,858.10/x
  3. Step 3: Cross multiply
    60,718.48x = 83,792.58 × 33,858.10
  4. Step 4: Simplify right side
    60,718.48x = 2,837,057,530.67
  5. Step 5: Solve for x
    x = 2,837,057,530.67/60,718.48
  6. Step 6: Final answer
    x = 46,724.78

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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.