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Finding the Fourth Proportional to 65,998.38, 98,995.94 and 19,251.66

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Solution

The fourth proportional to 65,998.38, 98,995.94 and 19,251.66 is: 28,877.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,998.38 : 98,995.94 = 19,251.66 : x
  2. Step 2: Convert to fraction form
    65,998.38/98,995.94 = 19,251.66/x
  3. Step 3: Cross multiply
    65,998.38x = 98,995.94 × 19,251.66
  4. Step 4: Simplify right side
    65,998.38x = 1,905,836,178.26
  5. Step 5: Solve for x
    x = 1,905,836,178.26/65,998.38
  6. Step 6: Final answer
    x = 28,877.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.