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Finding the Fourth Proportional to 26,562.90, 39,825.90 and 11,763.75

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Solution

The fourth proportional to 26,562.90, 39,825.90 and 11,763.75 is: 17,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,562.90 : 39,825.90 = 11,763.75 : x
  2. Step 2: Convert to fraction form
    26,562.90/39,825.90 = 11,763.75/x
  3. Step 3: Cross multiply
    26,562.90x = 39,825.90 × 11,763.75
  4. Step 4: Simplify right side
    26,562.90x = 468,501,931.13
  5. Step 5: Solve for x
    x = 468,501,931.13/26,562.90
  6. Step 6: Final answer
    x = 17,637.45

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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.