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Finding the Fourth Proportional to 19,101.77, 26,361.64 and 11,035.77

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Solution

The fourth proportional to 19,101.77, 26,361.64 and 11,035.77 is: 15,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,101.77 : 26,361.64 = 11,035.77 : x
  2. Step 2: Convert to fraction form
    19,101.77/26,361.64 = 11,035.77/x
  3. Step 3: Cross multiply
    19,101.77x = 26,361.64 × 11,035.77
  4. Step 4: Simplify right side
    19,101.77x = 290,920,995.86
  5. Step 5: Solve for x
    x = 290,920,995.86/19,101.77
  6. Step 6: Final answer
    x = 15,230.05

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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.