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Finding the Fourth Proportional to 9,928.35, 14,898.78 and 5,548.68

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Solution

The fourth proportional to 9,928.35, 14,898.78 and 5,548.68 is: 8,326.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.35 : 14,898.78 = 5,548.68 : x
  2. Step 2: Convert to fraction form
    9,928.35/14,898.78 = 5,548.68/x
  3. Step 3: Cross multiply
    9,928.35x = 14,898.78 × 5,548.68
  4. Step 4: Simplify right side
    9,928.35x = 82,668,562.61
  5. Step 5: Solve for x
    x = 82,668,562.61/9,928.35
  6. Step 6: Final answer
    x = 8,326.52

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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.