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Finding the Fourth Proportional to 8,063.76, 12,088.80 and 3,679.68

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Solution

The fourth proportional to 8,063.76, 12,088.80 and 3,679.68 is: 5,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.76 : 12,088.80 = 3,679.68 : x
  2. Step 2: Convert to fraction form
    8,063.76/12,088.80 = 3,679.68/x
  3. Step 3: Cross multiply
    8,063.76x = 12,088.80 × 3,679.68
  4. Step 4: Simplify right side
    8,063.76x = 44,482,915.58
  5. Step 5: Solve for x
    x = 44,482,915.58/8,063.76
  6. Step 6: Final answer
    x = 5,516.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.