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Finding the Fourth Proportional to 8,896.58, 13,345.11 and 4,215.46

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Solution

The fourth proportional to 8,896.58, 13,345.11 and 4,215.46 is: 6,323.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.58 : 13,345.11 = 4,215.46 : x
  2. Step 2: Convert to fraction form
    8,896.58/13,345.11 = 4,215.46/x
  3. Step 3: Cross multiply
    8,896.58x = 13,345.11 × 4,215.46
  4. Step 4: Simplify right side
    8,896.58x = 56,255,689.60
  5. Step 5: Solve for x
    x = 56,255,689.60/8,896.58
  6. Step 6: Final answer
    x = 6,323.29

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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.