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Finding the Fourth Proportional to 9,628.40, 14,443.40 and 3,054.44

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Solution

The fourth proportional to 9,628.40, 14,443.40 and 3,054.44 is: 4,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.40 : 14,443.40 = 3,054.44 : x
  2. Step 2: Convert to fraction form
    9,628.40/14,443.40 = 3,054.44/x
  3. Step 3: Cross multiply
    9,628.40x = 14,443.40 × 3,054.44
  4. Step 4: Simplify right side
    9,628.40x = 44,116,498.70
  5. Step 5: Solve for x
    x = 44,116,498.70/9,628.40
  6. Step 6: Final answer
    x = 4,581.91

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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.