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Finding the Fourth Proportional to 9,007.92, 12,442.92 and 7,246.16

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Solution

The fourth proportional to 9,007.92, 12,442.92 and 7,246.16 is: 10,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.92 : 12,442.92 = 7,246.16 : x
  2. Step 2: Convert to fraction form
    9,007.92/12,442.92 = 7,246.16/x
  3. Step 3: Cross multiply
    9,007.92x = 12,442.92 × 7,246.16
  4. Step 4: Simplify right side
    9,007.92x = 90,163,389.19
  5. Step 5: Solve for x
    x = 90,163,389.19/9,007.92
  6. Step 6: Final answer
    x = 10,009.35

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Similar ratio
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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.