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Finding the Fourth Proportional to 9,443.60, 14,148.99 and 6,626.47

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Solution

The fourth proportional to 9,443.60, 14,148.99 and 6,626.47 is: 9,928.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,443.60 : 14,148.99 = 6,626.47 : x
  2. Step 2: Convert to fraction form
    9,443.60/14,148.99 = 6,626.47/x
  3. Step 3: Cross multiply
    9,443.60x = 14,148.99 × 6,626.47
  4. Step 4: Simplify right side
    9,443.60x = 93,757,790.49
  5. Step 5: Solve for x
    x = 93,757,790.49/9,443.60
  6. Step 6: Final answer
    x = 9,928.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.