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Finding the Fourth Proportional to 9,585, 13,227.30 and 5,393.34

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Solution

The fourth proportional to 9,585, 13,227.30 and 5,393.34 is: 7,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585 : 13,227.30 = 5,393.34 : x
  2. Step 2: Convert to fraction form
    9,585/13,227.30 = 5,393.34/x
  3. Step 3: Cross multiply
    9,585x = 13,227.30 × 5,393.34
  4. Step 4: Simplify right side
    9,585x = 71,339,326.18
  5. Step 5: Solve for x
    x = 71,339,326.18/9,585
  6. Step 6: Final answer
    x = 7,442.81

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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.