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Finding the Fourth Proportional to 31,253.88, 46,879.44 and 9,066.76

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Solution

The fourth proportional to 31,253.88, 46,879.44 and 9,066.76 is: 13,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,253.88 : 46,879.44 = 9,066.76 : x
  2. Step 2: Convert to fraction form
    31,253.88/46,879.44 = 9,066.76/x
  3. Step 3: Cross multiply
    31,253.88x = 46,879.44 × 9,066.76
  4. Step 4: Simplify right side
    31,253.88x = 425,044,631.41
  5. Step 5: Solve for x
    x = 425,044,631.41/31,253.88
  6. Step 6: Final answer
    x = 13,599.74

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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.