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Finding the Fourth Proportional to 6,375.52, 8,802.50 and 4,880.77

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Solution

The fourth proportional to 6,375.52, 8,802.50 and 4,880.77 is: 6,738.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.52 : 8,802.50 = 4,880.77 : x
  2. Step 2: Convert to fraction form
    6,375.52/8,802.50 = 4,880.77/x
  3. Step 3: Cross multiply
    6,375.52x = 8,802.50 × 4,880.77
  4. Step 4: Simplify right side
    6,375.52x = 42,962,977.93
  5. Step 5: Solve for x
    x = 42,962,977.93/6,375.52
  6. Step 6: Final answer
    x = 6,738.74

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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.