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Finding the Fourth Proportional to 9,324.96, 12,870.08 and 7,304.32

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Solution

The fourth proportional to 9,324.96, 12,870.08 and 7,304.32 is: 10,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.96 : 12,870.08 = 7,304.32 : x
  2. Step 2: Convert to fraction form
    9,324.96/12,870.08 = 7,304.32/x
  3. Step 3: Cross multiply
    9,324.96x = 12,870.08 × 7,304.32
  4. Step 4: Simplify right side
    9,324.96x = 94,007,182.75
  5. Step 5: Solve for x
    x = 94,007,182.75/9,324.96
  6. Step 6: Final answer
    x = 10,081.24

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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.