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Finding the Fourth Proportional to 7,583.58, 11,436.04 and 7,479.70

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Solution

The fourth proportional to 7,583.58, 11,436.04 and 7,479.70 is: 11,279.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.58 : 11,436.04 = 7,479.70 : x
  2. Step 2: Convert to fraction form
    7,583.58/11,436.04 = 7,479.70/x
  3. Step 3: Cross multiply
    7,583.58x = 11,436.04 × 7,479.70
  4. Step 4: Simplify right side
    7,583.58x = 85,538,148.39
  5. Step 5: Solve for x
    x = 85,538,148.39/7,583.58
  6. Step 6: Final answer
    x = 11,279.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.