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Finding the Fourth Proportional to 60,728.79, 83,801.93 and 33,505.23

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Solution

The fourth proportional to 60,728.79, 83,801.93 and 33,505.23 is: 46,235.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,728.79 : 83,801.93 = 33,505.23 : x
  2. Step 2: Convert to fraction form
    60,728.79/83,801.93 = 33,505.23/x
  3. Step 3: Cross multiply
    60,728.79x = 83,801.93 × 33,505.23
  4. Step 4: Simplify right side
    60,728.79x = 2,807,802,771.57
  5. Step 5: Solve for x
    x = 2,807,802,771.57/60,728.79
  6. Step 6: Final answer
    x = 46,235.12

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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.