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Finding the Fourth Proportional to 8,867.46, 12,237.66 and 4,889.46

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Solution

The fourth proportional to 8,867.46, 12,237.66 and 4,889.46 is: 6,747.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.46 : 12,237.66 = 4,889.46 : x
  2. Step 2: Convert to fraction form
    8,867.46/12,237.66 = 4,889.46/x
  3. Step 3: Cross multiply
    8,867.46x = 12,237.66 × 4,889.46
  4. Step 4: Simplify right side
    8,867.46x = 59,835,549.06
  5. Step 5: Solve for x
    x = 59,835,549.06/8,867.46
  6. Step 6: Final answer
    x = 6,747.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.