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Finding the Fourth Proportional to 9,113.24, 13,619.92 and 6,653.24

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Solution

The fourth proportional to 9,113.24, 13,619.92 and 6,653.24 is: 9,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.24 : 13,619.92 = 6,653.24 : x
  2. Step 2: Convert to fraction form
    9,113.24/13,619.92 = 6,653.24/x
  3. Step 3: Cross multiply
    9,113.24x = 13,619.92 × 6,653.24
  4. Step 4: Simplify right side
    9,113.24x = 90,616,596.54
  5. Step 5: Solve for x
    x = 90,616,596.54/9,113.24
  6. Step 6: Final answer
    x = 9,943.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.