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Finding the Fourth Proportional to 8,376.87, 11,559.94 and 4,599.98

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Solution

The fourth proportional to 8,376.87, 11,559.94 and 4,599.98 is: 6,347.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.87 : 11,559.94 = 4,599.98 : x
  2. Step 2: Convert to fraction form
    8,376.87/11,559.94 = 4,599.98/x
  3. Step 3: Cross multiply
    8,376.87x = 11,559.94 × 4,599.98
  4. Step 4: Simplify right side
    8,376.87x = 53,175,492.80
  5. Step 5: Solve for x
    x = 53,175,492.80/8,376.87
  6. Step 6: Final answer
    x = 6,347.90

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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.