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Finding the Fourth Proportional to 8,737.63, 12,057.98 and 4,758.85

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Solution

The fourth proportional to 8,737.63, 12,057.98 and 4,758.85 is: 6,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.63 : 12,057.98 = 4,758.85 : x
  2. Step 2: Convert to fraction form
    8,737.63/12,057.98 = 4,758.85/x
  3. Step 3: Cross multiply
    8,737.63x = 12,057.98 × 4,758.85
  4. Step 4: Simplify right side
    8,737.63x = 57,382,118.12
  5. Step 5: Solve for x
    x = 57,382,118.12/8,737.63
  6. Step 6: Final answer
    x = 6,567.24

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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.