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Finding the Fourth Proportional to 4,984.07, 6,876.59 and 3,216.71

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Solution

The fourth proportional to 4,984.07, 6,876.59 and 3,216.71 is: 4,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.07 : 6,876.59 = 3,216.71 : x
  2. Step 2: Convert to fraction form
    4,984.07/6,876.59 = 3,216.71/x
  3. Step 3: Cross multiply
    4,984.07x = 6,876.59 × 3,216.71
  4. Step 4: Simplify right side
    4,984.07x = 22,119,945.35
  5. Step 5: Solve for x
    x = 22,119,945.35/4,984.07
  6. Step 6: Final answer
    x = 4,438.13

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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.