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Finding the Fourth Proportional to 9,417.92, 14,128.05 and 2,844.08

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Solution

The fourth proportional to 9,417.92, 14,128.05 and 2,844.08 is: 4,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.92 : 14,128.05 = 2,844.08 : x
  2. Step 2: Convert to fraction form
    9,417.92/14,128.05 = 2,844.08/x
  3. Step 3: Cross multiply
    9,417.92x = 14,128.05 × 2,844.08
  4. Step 4: Simplify right side
    9,417.92x = 40,181,304.44
  5. Step 5: Solve for x
    x = 40,181,304.44/9,417.92
  6. Step 6: Final answer
    x = 4,266.47

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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.