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Finding the Fourth Proportional to 26,411.56, 39,603.03 and 11,603.14

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Solution

The fourth proportional to 26,411.56, 39,603.03 and 11,603.14 is: 17,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,411.56 : 39,603.03 = 11,603.14 : x
  2. Step 2: Convert to fraction form
    26,411.56/39,603.03 = 11,603.14/x
  3. Step 3: Cross multiply
    26,411.56x = 39,603.03 × 11,603.14
  4. Step 4: Simplify right side
    26,411.56x = 459,519,501.51
  5. Step 5: Solve for x
    x = 459,519,501.51/26,411.56
  6. Step 6: Final answer
    x = 17,398.42

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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.