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Finding the Fourth Proportional to 8,607.46, 12,911.44 and 3,060.70

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Solution

The fourth proportional to 8,607.46, 12,911.44 and 3,060.70 is: 4,591.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.46 : 12,911.44 = 3,060.70 : x
  2. Step 2: Convert to fraction form
    8,607.46/12,911.44 = 3,060.70/x
  3. Step 3: Cross multiply
    8,607.46x = 12,911.44 × 3,060.70
  4. Step 4: Simplify right side
    8,607.46x = 39,518,044.41
  5. Step 5: Solve for x
    x = 39,518,044.41/8,607.46
  6. Step 6: Final answer
    x = 4,591.14

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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.