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Finding the Fourth Proportional to 49,510, 68,328.12 and 27,158.32

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Solution

The fourth proportional to 49,510, 68,328.12 and 27,158.32 is: 37,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,510 : 68,328.12 = 27,158.32 : x
  2. Step 2: Convert to fraction form
    49,510/68,328.12 = 27,158.32/x
  3. Step 3: Cross multiply
    49,510x = 68,328.12 × 27,158.32
  4. Step 4: Simplify right side
    49,510x = 1,855,676,947.96
  5. Step 5: Solve for x
    x = 1,855,676,947.96/49,510
  6. Step 6: Final answer
    x = 37,480.85

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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.