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Finding the Fourth Proportional to 14,253.52, 19,667.65 and 7,964.68

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Solution

The fourth proportional to 14,253.52, 19,667.65 and 7,964.68 is: 10,990.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.52 : 19,667.65 = 7,964.68 : x
  2. Step 2: Convert to fraction form
    14,253.52/19,667.65 = 7,964.68/x
  3. Step 3: Cross multiply
    14,253.52x = 19,667.65 × 7,964.68
  4. Step 4: Simplify right side
    14,253.52x = 156,646,538.60
  5. Step 5: Solve for x
    x = 156,646,538.60/14,253.52
  6. Step 6: Final answer
    x = 10,990.02

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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.