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Finding the Fourth Proportional to 6,498.83, 8,965.22 and 4,259.72

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Solution

The fourth proportional to 6,498.83, 8,965.22 and 4,259.72 is: 5,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,498.83 : 8,965.22 = 4,259.72 : x
  2. Step 2: Convert to fraction form
    6,498.83/8,965.22 = 4,259.72/x
  3. Step 3: Cross multiply
    6,498.83x = 8,965.22 × 4,259.72
  4. Step 4: Simplify right side
    6,498.83x = 38,189,328.05
  5. Step 5: Solve for x
    x = 38,189,328.05/6,498.83
  6. Step 6: Final answer
    x = 5,876.34

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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.