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Finding the Fourth Proportional to 31,266.39, 46,899.63 and 9,079.83

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Solution

The fourth proportional to 31,266.39, 46,899.63 and 9,079.83 is: 13,619.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.39 : 46,899.63 = 9,079.83 : x
  2. Step 2: Convert to fraction form
    31,266.39/46,899.63 = 9,079.83/x
  3. Step 3: Cross multiply
    31,266.39x = 46,899.63 × 9,079.83
  4. Step 4: Simplify right side
    31,266.39x = 425,840,667.46
  5. Step 5: Solve for x
    x = 425,840,667.46/31,266.39
  6. Step 6: Final answer
    x = 13,619.76

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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.