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Finding the Fourth Proportional to 30,758.00, 46,138.28 and 15,957.41

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Solution

The fourth proportional to 30,758.00, 46,138.28 and 15,957.41 is: 23,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,758.00 : 46,138.28 = 15,957.41 : x
  2. Step 2: Convert to fraction form
    30,758.00/46,138.28 = 15,957.41/x
  3. Step 3: Cross multiply
    30,758.00x = 46,138.28 × 15,957.41
  4. Step 4: Simplify right side
    30,758.00x = 736,247,140.18
  5. Step 5: Solve for x
    x = 736,247,140.18/30,758.00
  6. Step 6: Final answer
    x = 23,936.77

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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.