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Finding the Fourth Proportional to 8,995.46, 13,495.47 and 3,151.92

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Solution

The fourth proportional to 8,995.46, 13,495.47 and 3,151.92 is: 4,728.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.46 : 13,495.47 = 3,151.92 : x
  2. Step 2: Convert to fraction form
    8,995.46/13,495.47 = 3,151.92/x
  3. Step 3: Cross multiply
    8,995.46x = 13,495.47 × 3,151.92
  4. Step 4: Simplify right side
    8,995.46x = 42,536,641.80
  5. Step 5: Solve for x
    x = 42,536,641.80/8,995.46
  6. Step 6: Final answer
    x = 4,728.68

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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.