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Finding the Fourth Proportional to 60,772.38, 83,870.08 and 33,920.12

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Solution

The fourth proportional to 60,772.38, 83,870.08 and 33,920.12 is: 46,812.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,772.38 : 83,870.08 = 33,920.12 : x
  2. Step 2: Convert to fraction form
    60,772.38/83,870.08 = 33,920.12/x
  3. Step 3: Cross multiply
    60,772.38x = 83,870.08 × 33,920.12
  4. Step 4: Simplify right side
    60,772.38x = 2,844,883,178.01
  5. Step 5: Solve for x
    x = 2,844,883,178.01/60,772.38
  6. Step 6: Final answer
    x = 46,812.11

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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.