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Finding the Fourth Proportional to 49,903.80, 68,867.10 and 27,547.80

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Solution

The fourth proportional to 49,903.80, 68,867.10 and 27,547.80 is: 38,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,903.80 : 68,867.10 = 27,547.80 : x
  2. Step 2: Convert to fraction form
    49,903.80/68,867.10 = 27,547.80/x
  3. Step 3: Cross multiply
    49,903.80x = 68,867.10 × 27,547.80
  4. Step 4: Simplify right side
    49,903.80x = 1,897,137,097.38
  5. Step 5: Solve for x
    x = 1,897,137,097.38/49,903.80
  6. Step 6: Final answer
    x = 38,015.88

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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.