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Finding the Fourth Proportional to 8,803.75, 12,149.27 and 4,824.77

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Solution

The fourth proportional to 8,803.75, 12,149.27 and 4,824.77 is: 6,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.75 : 12,149.27 = 4,824.77 : x
  2. Step 2: Convert to fraction form
    8,803.75/12,149.27 = 4,824.77/x
  3. Step 3: Cross multiply
    8,803.75x = 12,149.27 × 4,824.77
  4. Step 4: Simplify right side
    8,803.75x = 58,617,455.58
  5. Step 5: Solve for x
    x = 58,617,455.58/8,803.75
  6. Step 6: Final answer
    x = 6,658.24

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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.