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Finding the Fourth Proportional to 35,594.80, 49,119.96 and 19,678.84

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Solution

The fourth proportional to 35,594.80, 49,119.96 and 19,678.84 is: 27,156.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,594.80 : 49,119.96 = 19,678.84 : x
  2. Step 2: Convert to fraction form
    35,594.80/49,119.96 = 19,678.84/x
  3. Step 3: Cross multiply
    35,594.80x = 49,119.96 × 19,678.84
  4. Step 4: Simplify right side
    35,594.80x = 966,623,833.65
  5. Step 5: Solve for x
    x = 966,623,833.65/35,594.80
  6. Step 6: Final answer
    x = 27,156.32

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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.