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Finding the Fourth Proportional to 9,458.74, 14,188.22 and 3,218.88

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Solution

The fourth proportional to 9,458.74, 14,188.22 and 3,218.88 is: 4,828.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,458.74 : 14,188.22 = 3,218.88 : x
  2. Step 2: Convert to fraction form
    9,458.74/14,188.22 = 3,218.88/x
  3. Step 3: Cross multiply
    9,458.74x = 14,188.22 × 3,218.88
  4. Step 4: Simplify right side
    9,458.74x = 45,670,106.65
  5. Step 5: Solve for x
    x = 45,670,106.65/9,458.74
  6. Step 6: Final answer
    x = 4,828.35

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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.