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Finding the Fourth Proportional to 31,245.81, 46,868.84 and 7,553.32

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Solution

The fourth proportional to 31,245.81, 46,868.84 and 7,553.32 is: 11,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.81 : 46,868.84 = 7,553.32 : x
  2. Step 2: Convert to fraction form
    31,245.81/46,868.84 = 7,553.32/x
  3. Step 3: Cross multiply
    31,245.81x = 46,868.84 × 7,553.32
  4. Step 4: Simplify right side
    31,245.81x = 354,015,248.26
  5. Step 5: Solve for x
    x = 354,015,248.26/31,245.81
  6. Step 6: Final answer
    x = 11,330.01

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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.