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Finding the Fourth Proportional to 19,083.44, 28,625.16 and 8,698.16

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Solution

The fourth proportional to 19,083.44, 28,625.16 and 8,698.16 is: 13,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,083.44 : 28,625.16 = 8,698.16 : x
  2. Step 2: Convert to fraction form
    19,083.44/28,625.16 = 8,698.16/x
  3. Step 3: Cross multiply
    19,083.44x = 28,625.16 × 8,698.16
  4. Step 4: Simplify right side
    19,083.44x = 248,986,221.71
  5. Step 5: Solve for x
    x = 248,986,221.71/19,083.44
  6. Step 6: Final answer
    x = 13,047.24

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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.