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Finding the Fourth Proportional to 17,726.64, 26,594.55 and 7,863.54

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Solution

The fourth proportional to 17,726.64, 26,594.55 and 7,863.54 is: 11,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,726.64 : 26,594.55 = 7,863.54 : x
  2. Step 2: Convert to fraction form
    17,726.64/26,594.55 = 7,863.54/x
  3. Step 3: Cross multiply
    17,726.64x = 26,594.55 × 7,863.54
  4. Step 4: Simplify right side
    17,726.64x = 209,127,307.71
  5. Step 5: Solve for x
    x = 209,127,307.71/17,726.64
  6. Step 6: Final answer
    x = 11,797.35

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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.