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Finding the Fourth Proportional to 9,007.48, 12,446.22 and 6,929.56

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Solution

The fourth proportional to 9,007.48, 12,446.22 and 6,929.56 is: 9,575.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.48 : 12,446.22 = 6,929.56 : x
  2. Step 2: Convert to fraction form
    9,007.48/12,446.22 = 6,929.56/x
  3. Step 3: Cross multiply
    9,007.48x = 12,446.22 × 6,929.56
  4. Step 4: Simplify right side
    9,007.48x = 86,246,828.26
  5. Step 5: Solve for x
    x = 86,246,828.26/9,007.48
  6. Step 6: Final answer
    x = 9,575.02

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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.