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Finding the Fourth Proportional to 16,570.31, 22,867.04 and 9,118.31

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Solution

The fourth proportional to 16,570.31, 22,867.04 and 9,118.31 is: 12,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,570.31 : 22,867.04 = 9,118.31 : x
  2. Step 2: Convert to fraction form
    16,570.31/22,867.04 = 9,118.31/x
  3. Step 3: Cross multiply
    16,570.31x = 22,867.04 × 9,118.31
  4. Step 4: Simplify right side
    16,570.31x = 208,508,771.08
  5. Step 5: Solve for x
    x = 208,508,771.08/16,570.31
  6. Step 6: Final answer
    x = 12,583.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.