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Finding the Fourth Proportional to 35,654.80, 49,201.66 and 19,518.98

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Solution

The fourth proportional to 35,654.80, 49,201.66 and 19,518.98 is: 26,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,654.80 : 49,201.66 = 19,518.98 : x
  2. Step 2: Convert to fraction form
    35,654.80/49,201.66 = 19,518.98/x
  3. Step 3: Cross multiply
    35,654.80x = 49,201.66 × 19,518.98
  4. Step 4: Simplify right side
    35,654.80x = 960,366,217.51
  5. Step 5: Solve for x
    x = 960,366,217.51/35,654.80
  6. Step 6: Final answer
    x = 26,935.12

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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.