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Finding the Fourth Proportional to 35,980.88, 49,653.88 and 20,066.36

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Solution

The fourth proportional to 35,980.88, 49,653.88 and 20,066.36 is: 27,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,980.88 : 49,653.88 = 20,066.36 : x
  2. Step 2: Convert to fraction form
    35,980.88/49,653.88 = 20,066.36/x
  3. Step 3: Cross multiply
    35,980.88x = 49,653.88 × 20,066.36
  4. Step 4: Simplify right side
    35,980.88x = 996,372,631.48
  5. Step 5: Solve for x
    x = 996,372,631.48/35,980.88
  6. Step 6: Final answer
    x = 27,691.72

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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.