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Finding the Fourth Proportional to 31,154.56, 46,731.84 and 9,266.56

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Solution

The fourth proportional to 31,154.56, 46,731.84 and 9,266.56 is: 13,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,154.56 : 46,731.84 = 9,266.56 : x
  2. Step 2: Convert to fraction form
    31,154.56/46,731.84 = 9,266.56/x
  3. Step 3: Cross multiply
    31,154.56x = 46,731.84 × 9,266.56
  4. Step 4: Simplify right side
    31,154.56x = 433,043,399.27
  5. Step 5: Solve for x
    x = 433,043,399.27/31,154.56
  6. Step 6: Final answer
    x = 13,899.84

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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.