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Finding the Fourth Proportional to 9,424.80, 14,133.60 and 2,848.80

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Solution

The fourth proportional to 9,424.80, 14,133.60 and 2,848.80 is: 4,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,424.80 : 14,133.60 = 2,848.80 : x
  2. Step 2: Convert to fraction form
    9,424.80/14,133.60 = 2,848.80/x
  3. Step 3: Cross multiply
    9,424.80x = 14,133.60 × 2,848.80
  4. Step 4: Simplify right side
    9,424.80x = 40,263,799.68
  5. Step 5: Solve for x
    x = 40,263,799.68/9,424.80
  6. Step 6: Final answer
    x = 4,272.11

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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.