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Finding the Fourth Proportional to 9,011.44, 12,433.98 and 5,653.18

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Solution

The fourth proportional to 9,011.44, 12,433.98 and 5,653.18 is: 7,800.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,011.44 : 12,433.98 = 5,653.18 : x
  2. Step 2: Convert to fraction form
    9,011.44/12,433.98 = 5,653.18/x
  3. Step 3: Cross multiply
    9,011.44x = 12,433.98 × 5,653.18
  4. Step 4: Simplify right side
    9,011.44x = 70,291,527.06
  5. Step 5: Solve for x
    x = 70,291,527.06/9,011.44
  6. Step 6: Final answer
    x = 7,800.25

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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.