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Finding the Fourth Proportional to 52,491.64, 72,438.69 and 33,639.70

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Solution

The fourth proportional to 52,491.64, 72,438.69 and 33,639.70 is: 46,422.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,491.64 : 72,438.69 = 33,639.70 : x
  2. Step 2: Convert to fraction form
    52,491.64/72,438.69 = 33,639.70/x
  3. Step 3: Cross multiply
    52,491.64x = 72,438.69 × 33,639.70
  4. Step 4: Simplify right side
    52,491.64x = 2,436,815,799.99
  5. Step 5: Solve for x
    x = 2,436,815,799.99/52,491.64
  6. Step 6: Final answer
    x = 46,422.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.