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Finding the Fourth Proportional to 26,687.01, 40,030.52 and 6,965.40

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Solution

The fourth proportional to 26,687.01, 40,030.52 and 6,965.40 is: 10,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.01 : 40,030.52 = 6,965.40 : x
  2. Step 2: Convert to fraction form
    26,687.01/40,030.52 = 6,965.40/x
  3. Step 3: Cross multiply
    26,687.01x = 40,030.52 × 6,965.40
  4. Step 4: Simplify right side
    26,687.01x = 278,828,349.03
  5. Step 5: Solve for x
    x = 278,828,349.03/26,687.01
  6. Step 6: Final answer
    x = 10,448.09

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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.