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Finding the Fourth Proportional to 34,506.47, 51,759.73 and 10,815.87

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Solution

The fourth proportional to 34,506.47, 51,759.73 and 10,815.87 is: 16,223.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,506.47 : 51,759.73 = 10,815.87 : x
  2. Step 2: Convert to fraction form
    34,506.47/51,759.73 = 10,815.87/x
  3. Step 3: Cross multiply
    34,506.47x = 51,759.73 × 10,815.87
  4. Step 4: Simplify right side
    34,506.47x = 559,826,385.02
  5. Step 5: Solve for x
    x = 559,826,385.02/34,506.47
  6. Step 6: Final answer
    x = 16,223.81

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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.