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Finding the Fourth Proportional to 26,602.97, 39,904.59 and 7,883.42

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Solution

The fourth proportional to 26,602.97, 39,904.59 and 7,883.42 is: 11,825.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602.97 : 39,904.59 = 7,883.42 : x
  2. Step 2: Convert to fraction form
    26,602.97/39,904.59 = 7,883.42/x
  3. Step 3: Cross multiply
    26,602.97x = 39,904.59 × 7,883.42
  4. Step 4: Simplify right side
    26,602.97x = 314,584,642.90
  5. Step 5: Solve for x
    x = 314,584,642.90/26,602.97
  6. Step 6: Final answer
    x = 11,825.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.