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Finding the Fourth Proportional to 35,596.64, 49,119.36 and 19,678.88

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Solution

The fourth proportional to 35,596.64, 49,119.36 and 19,678.88 is: 27,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,596.64 : 49,119.36 = 19,678.88 : x
  2. Step 2: Convert to fraction form
    35,596.64/49,119.36 = 19,678.88/x
  3. Step 3: Cross multiply
    35,596.64x = 49,119.36 × 19,678.88
  4. Step 4: Simplify right side
    35,596.64x = 966,613,991.12
  5. Step 5: Solve for x
    x = 966,613,991.12/35,596.64
  6. Step 6: Final answer
    x = 27,154.64

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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.