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Finding the Fourth Proportional to 26,019, 38,885.22 and 19,013.64

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Solution

The fourth proportional to 26,019, 38,885.22 and 19,013.64 is: 28,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019 : 38,885.22 = 19,013.64 : x
  2. Step 2: Convert to fraction form
    26,019/38,885.22 = 19,013.64/x
  3. Step 3: Cross multiply
    26,019x = 38,885.22 × 19,013.64
  4. Step 4: Simplify right side
    26,019x = 739,349,574.40
  5. Step 5: Solve for x
    x = 739,349,574.40/26,019
  6. Step 6: Final answer
    x = 28,415.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.