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Finding the Fourth Proportional to 17,698.94, 26,552.73 and 5,386.94

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Solution

The fourth proportional to 17,698.94, 26,552.73 and 5,386.94 is: 8,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698.94 : 26,552.73 = 5,386.94 : x
  2. Step 2: Convert to fraction form
    17,698.94/26,552.73 = 5,386.94/x
  3. Step 3: Cross multiply
    17,698.94x = 26,552.73 × 5,386.94
  4. Step 4: Simplify right side
    17,698.94x = 143,037,963.35
  5. Step 5: Solve for x
    x = 143,037,963.35/17,698.94
  6. Step 6: Final answer
    x = 8,081.72

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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.