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Finding the Fourth Proportional to 4,887.95, 6,746.90 and 3,296.90

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Solution

The fourth proportional to 4,887.95, 6,746.90 and 3,296.90 is: 4,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.95 : 6,746.90 = 3,296.90 : x
  2. Step 2: Convert to fraction form
    4,887.95/6,746.90 = 3,296.90/x
  3. Step 3: Cross multiply
    4,887.95x = 6,746.90 × 3,296.90
  4. Step 4: Simplify right side
    4,887.95x = 22,243,854.99
  5. Step 5: Solve for x
    x = 22,243,854.99/4,887.95
  6. Step 6: Final answer
    x = 4,550.76

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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.