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Finding the Fourth Proportional to 50,640.03, 69,882.93 and 27,978.93

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Solution

The fourth proportional to 50,640.03, 69,882.93 and 27,978.93 is: 38,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,640.03 : 69,882.93 = 27,978.93 : x
  2. Step 2: Convert to fraction form
    50,640.03/69,882.93 = 27,978.93/x
  3. Step 3: Cross multiply
    50,640.03x = 69,882.93 × 27,978.93
  4. Step 4: Simplify right side
    50,640.03x = 1,955,249,606.66
  5. Step 5: Solve for x
    x = 1,955,249,606.66/50,640.03
  6. Step 6: Final answer
    x = 38,610.75

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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.