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Finding the Fourth Proportional to 18,326.70, 27,468.45 and 9,557.10

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Solution

The fourth proportional to 18,326.70, 27,468.45 and 9,557.10 is: 14,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.70 : 27,468.45 = 9,557.10 : x
  2. Step 2: Convert to fraction form
    18,326.70/27,468.45 = 9,557.10/x
  3. Step 3: Cross multiply
    18,326.70x = 27,468.45 × 9,557.10
  4. Step 4: Simplify right side
    18,326.70x = 262,518,723.50
  5. Step 5: Solve for x
    x = 262,518,723.50/18,326.70
  6. Step 6: Final answer
    x = 14,324.39

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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.