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Finding the Fourth Proportional to 7,611.25, 10,503.93 and 4,626.60

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Solution

The fourth proportional to 7,611.25, 10,503.93 and 4,626.60 is: 6,384.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.25 : 10,503.93 = 4,626.60 : x
  2. Step 2: Convert to fraction form
    7,611.25/10,503.93 = 4,626.60/x
  3. Step 3: Cross multiply
    7,611.25x = 10,503.93 × 4,626.60
  4. Step 4: Simplify right side
    7,611.25x = 48,597,459.41
  5. Step 5: Solve for x
    x = 48,597,459.41/7,611.25
  6. Step 6: Final answer
    x = 6,384.95

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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.