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Finding the Fourth Proportional to 33,866.40, 50,799.60 and 31,562.40

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Solution

The fourth proportional to 33,866.40, 50,799.60 and 31,562.40 is: 47,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,866.40 : 50,799.60 = 31,562.40 : x
  2. Step 2: Convert to fraction form
    33,866.40/50,799.60 = 31,562.40/x
  3. Step 3: Cross multiply
    33,866.40x = 50,799.60 × 31,562.40
  4. Step 4: Simplify right side
    33,866.40x = 1,603,357,295.04
  5. Step 5: Solve for x
    x = 1,603,357,295.04/33,866.40
  6. Step 6: Final answer
    x = 47,343.60

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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.