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Finding the Fourth Proportional to 8,457.48, 12,695.67 and 4,951.62

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Solution

The fourth proportional to 8,457.48, 12,695.67 and 4,951.62 is: 7,432.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.48 : 12,695.67 = 4,951.62 : x
  2. Step 2: Convert to fraction form
    8,457.48/12,695.67 = 4,951.62/x
  3. Step 3: Cross multiply
    8,457.48x = 12,695.67 × 4,951.62
  4. Step 4: Simplify right side
    8,457.48x = 62,864,133.49
  5. Step 5: Solve for x
    x = 62,864,133.49/8,457.48
  6. Step 6: Final answer
    x = 7,432.96

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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.