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Finding the Fourth Proportional to 31,202.70, 46,804.03 and 10,426.20

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Solution

The fourth proportional to 31,202.70, 46,804.03 and 10,426.20 is: 15,639.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,202.70 : 46,804.03 = 10,426.20 : x
  2. Step 2: Convert to fraction form
    31,202.70/46,804.03 = 10,426.20/x
  3. Step 3: Cross multiply
    31,202.70x = 46,804.03 × 10,426.20
  4. Step 4: Simplify right side
    31,202.70x = 487,988,177.59
  5. Step 5: Solve for x
    x = 487,988,177.59/31,202.70
  6. Step 6: Final answer
    x = 15,639.29

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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.