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Finding the Fourth Proportional to 6,360.72, 8,776.40 and 6,150.96

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Solution

The fourth proportional to 6,360.72, 8,776.40 and 6,150.96 is: 8,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.72 : 8,776.40 = 6,150.96 : x
  2. Step 2: Convert to fraction form
    6,360.72/8,776.40 = 6,150.96/x
  3. Step 3: Cross multiply
    6,360.72x = 8,776.40 × 6,150.96
  4. Step 4: Simplify right side
    6,360.72x = 53,983,285.34
  5. Step 5: Solve for x
    x = 53,983,285.34/6,360.72
  6. Step 6: Final answer
    x = 8,486.98

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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.