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Finding the Fourth Proportional to 4,887.82, 6,743.91 and 2,898.82

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Solution

The fourth proportional to 4,887.82, 6,743.91 and 2,898.82 is: 3,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.82 : 6,743.91 = 2,898.82 : x
  2. Step 2: Convert to fraction form
    4,887.82/6,743.91 = 2,898.82/x
  3. Step 3: Cross multiply
    4,887.82x = 6,743.91 × 2,898.82
  4. Step 4: Simplify right side
    4,887.82x = 19,549,381.19
  5. Step 5: Solve for x
    x = 19,549,381.19/4,887.82
  6. Step 6: Final answer
    x = 3,999.61

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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.