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Finding the Fourth Proportional to 50,643.60, 69,888.30 and 27,983.22

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Solution

The fourth proportional to 50,643.60, 69,888.30 and 27,983.22 is: 38,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,643.60 : 69,888.30 = 27,983.22 : x
  2. Step 2: Convert to fraction form
    50,643.60/69,888.30 = 27,983.22/x
  3. Step 3: Cross multiply
    50,643.60x = 69,888.30 × 27,983.22
  4. Step 4: Simplify right side
    50,643.60x = 1,955,699,674.33
  5. Step 5: Solve for x
    x = 1,955,699,674.33/50,643.60
  6. Step 6: Final answer
    x = 38,616.92

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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.