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Finding the Fourth Proportional to 14,226, 19,630.44 and 7,937.28

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Solution

The fourth proportional to 14,226, 19,630.44 and 7,937.28 is: 10,952.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226 : 19,630.44 = 7,937.28 : x
  2. Step 2: Convert to fraction form
    14,226/19,630.44 = 7,937.28/x
  3. Step 3: Cross multiply
    14,226x = 19,630.44 × 7,937.28
  4. Step 4: Simplify right side
    14,226x = 155,812,298.80
  5. Step 5: Solve for x
    x = 155,812,298.80/14,226
  6. Step 6: Final answer
    x = 10,952.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.