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Finding the Fourth Proportional to 49,998.76, 75,018.84 and 21,904.30

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Solution

The fourth proportional to 49,998.76, 75,018.84 and 21,904.30 is: 32,865.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,998.76 : 75,018.84 = 21,904.30 : x
  2. Step 2: Convert to fraction form
    49,998.76/75,018.84 = 21,904.30/x
  3. Step 3: Cross multiply
    49,998.76x = 75,018.84 × 21,904.30
  4. Step 4: Simplify right side
    49,998.76x = 1,643,235,177.01
  5. Step 5: Solve for x
    x = 1,643,235,177.01/49,998.76
  6. Step 6: Final answer
    x = 32,865.52

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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.