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Finding the Fourth Proportional to 17,390.77, 26,079.98 and 6,294.58

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Solution

The fourth proportional to 17,390.77, 26,079.98 and 6,294.58 is: 9,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,390.77 : 26,079.98 = 6,294.58 : x
  2. Step 2: Convert to fraction form
    17,390.77/26,079.98 = 6,294.58/x
  3. Step 3: Cross multiply
    17,390.77x = 26,079.98 × 6,294.58
  4. Step 4: Simplify right side
    17,390.77x = 164,162,423.84
  5. Step 5: Solve for x
    x = 164,162,423.84/17,390.77
  6. Step 6: Final answer
    x = 9,439.63

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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.