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Finding the Fourth Proportional to 8,647.50, 12,937.52 and 6,573.50

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Solution

The fourth proportional to 8,647.50, 12,937.52 and 6,573.50 is: 9,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,647.50 : 12,937.52 = 6,573.50 : x
  2. Step 2: Convert to fraction form
    8,647.50/12,937.52 = 6,573.50/x
  3. Step 3: Cross multiply
    8,647.50x = 12,937.52 × 6,573.50
  4. Step 4: Simplify right side
    8,647.50x = 85,044,787.72
  5. Step 5: Solve for x
    x = 85,044,787.72/8,647.50
  6. Step 6: Final answer
    x = 9,834.61

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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.