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Finding the Fourth Proportional to 9,324.75, 13,992.61 and 6,689.42

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Solution

The fourth proportional to 9,324.75, 13,992.61 and 6,689.42 is: 10,038.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.75 : 13,992.61 = 6,689.42 : x
  2. Step 2: Convert to fraction form
    9,324.75/13,992.61 = 6,689.42/x
  3. Step 3: Cross multiply
    9,324.75x = 13,992.61 × 6,689.42
  4. Step 4: Simplify right side
    9,324.75x = 93,602,445.19
  5. Step 5: Solve for x
    x = 93,602,445.19/9,324.75
  6. Step 6: Final answer
    x = 10,038.06

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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.