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Finding the Fourth Proportional to 22,700.52, 31,326.48 and 13,267.26

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Solution

The fourth proportional to 22,700.52, 31,326.48 and 13,267.26 is: 18,308.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,700.52 : 31,326.48 = 13,267.26 : x
  2. Step 2: Convert to fraction form
    22,700.52/31,326.48 = 13,267.26/x
  3. Step 3: Cross multiply
    22,700.52x = 31,326.48 × 13,267.26
  4. Step 4: Simplify right side
    22,700.52x = 415,616,555.04
  5. Step 5: Solve for x
    x = 415,616,555.04/22,700.52
  6. Step 6: Final answer
    x = 18,308.68

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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.