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Finding the Fourth Proportional to 60,378.82, 83,318.83 and 33,520.03

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Solution

The fourth proportional to 60,378.82, 83,318.83 and 33,520.03 is: 46,255.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,378.82 : 83,318.83 = 33,520.03 : x
  2. Step 2: Convert to fraction form
    60,378.82/83,318.83 = 33,520.03/x
  3. Step 3: Cross multiply
    60,378.82x = 83,318.83 × 33,520.03
  4. Step 4: Simplify right side
    60,378.82x = 2,792,849,681.16
  5. Step 5: Solve for x
    x = 2,792,849,681.16/60,378.82
  6. Step 6: Final answer
    x = 46,255.45

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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.