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Finding the Fourth Proportional to 8,652.70, 12,983.10 and 4,497.40

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Solution

The fourth proportional to 8,652.70, 12,983.10 and 4,497.40 is: 6,748.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.70 : 12,983.10 = 4,497.40 : x
  2. Step 2: Convert to fraction form
    8,652.70/12,983.10 = 4,497.40/x
  3. Step 3: Cross multiply
    8,652.70x = 12,983.10 × 4,497.40
  4. Step 4: Simplify right side
    8,652.70x = 58,390,193.94
  5. Step 5: Solve for x
    x = 58,390,193.94/8,652.70
  6. Step 6: Final answer
    x = 6,748.21

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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.