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Finding the Fourth Proportional to 4,889.07, 6,746.88 and 2,650.92

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Solution

The fourth proportional to 4,889.07, 6,746.88 and 2,650.92 is: 3,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.07 : 6,746.88 = 2,650.92 : x
  2. Step 2: Convert to fraction form
    4,889.07/6,746.88 = 2,650.92/x
  3. Step 3: Cross multiply
    4,889.07x = 6,746.88 × 2,650.92
  4. Step 4: Simplify right side
    4,889.07x = 17,885,439.13
  5. Step 5: Solve for x
    x = 17,885,439.13/4,889.07
  6. Step 6: Final answer
    x = 3,658.25

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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.