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Finding the Fourth Proportional to 17,763.75, 26,643.74 and 9,434.93

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Solution

The fourth proportional to 17,763.75, 26,643.74 and 9,434.93 is: 14,151.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,763.75 : 26,643.74 = 9,434.93 : x
  2. Step 2: Convert to fraction form
    17,763.75/26,643.74 = 9,434.93/x
  3. Step 3: Cross multiply
    17,763.75x = 26,643.74 × 9,434.93
  4. Step 4: Simplify right side
    17,763.75x = 251,381,641.44
  5. Step 5: Solve for x
    x = 251,381,641.44/17,763.75
  6. Step 6: Final answer
    x = 14,151.38

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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.