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Finding the Fourth Proportional to 35,847.80, 49,482.27 and 21,700.65

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Solution

The fourth proportional to 35,847.80, 49,482.27 and 21,700.65 is: 29,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,847.80 : 49,482.27 = 21,700.65 : x
  2. Step 2: Convert to fraction form
    35,847.80/49,482.27 = 21,700.65/x
  3. Step 3: Cross multiply
    35,847.80x = 49,482.27 × 21,700.65
  4. Step 4: Simplify right side
    35,847.80x = 1,073,797,066.56
  5. Step 5: Solve for x
    x = 1,073,797,066.56/35,847.80
  6. Step 6: Final answer
    x = 29,954.34

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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.