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Finding the Fourth Proportional to 8,896.74, 13,345.11 and 4,276.50

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Solution

The fourth proportional to 8,896.74, 13,345.11 and 4,276.50 is: 6,414.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.74 : 13,345.11 = 4,276.50 : x
  2. Step 2: Convert to fraction form
    8,896.74/13,345.11 = 4,276.50/x
  3. Step 3: Cross multiply
    8,896.74x = 13,345.11 × 4,276.50
  4. Step 4: Simplify right side
    8,896.74x = 57,070,362.92
  5. Step 5: Solve for x
    x = 57,070,362.92/8,896.74
  6. Step 6: Final answer
    x = 6,414.75

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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.