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Finding the Fourth Proportional to 50,482.68, 69,665.76 and 27,821.69

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Solution

The fourth proportional to 50,482.68, 69,665.76 and 27,821.69 is: 38,393.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,482.68 : 69,665.76 = 27,821.69 : x
  2. Step 2: Convert to fraction form
    50,482.68/69,665.76 = 27,821.69/x
  3. Step 3: Cross multiply
    50,482.68x = 69,665.76 × 27,821.69
  4. Step 4: Simplify right side
    50,482.68x = 1,938,219,178.33
  5. Step 5: Solve for x
    x = 1,938,219,178.33/50,482.68
  6. Step 6: Final answer
    x = 38,393.75

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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.