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Finding the Fourth Proportional to 49,798.68, 68,721.84 and 27,442.68

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Solution

The fourth proportional to 49,798.68, 68,721.84 and 27,442.68 is: 37,870.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,798.68 : 68,721.84 = 27,442.68 : x
  2. Step 2: Convert to fraction form
    49,798.68/68,721.84 = 27,442.68/x
  3. Step 3: Cross multiply
    49,798.68x = 68,721.84 × 27,442.68
  4. Step 4: Simplify right side
    49,798.68x = 1,885,911,464.13
  5. Step 5: Solve for x
    x = 1,885,911,464.13/49,798.68
  6. Step 6: Final answer
    x = 37,870.71

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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.