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Finding the Fourth Proportional to 8,887.96, 12,264.54 and 4,908.76

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Solution

The fourth proportional to 8,887.96, 12,264.54 and 4,908.76 is: 6,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.96 : 12,264.54 = 4,908.76 : x
  2. Step 2: Convert to fraction form
    8,887.96/12,264.54 = 4,908.76/x
  3. Step 3: Cross multiply
    8,887.96x = 12,264.54 × 4,908.76
  4. Step 4: Simplify right side
    8,887.96x = 60,203,683.37
  5. Step 5: Solve for x
    x = 60,203,683.37/8,887.96
  6. Step 6: Final answer
    x = 6,773.62

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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.