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Finding the Fourth Proportional to 4,993.25, 6,890.69 and 2,898.59

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Solution

The fourth proportional to 4,993.25, 6,890.69 and 2,898.59 is: 4,000.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.25 : 6,890.69 = 2,898.59 : x
  2. Step 2: Convert to fraction form
    4,993.25/6,890.69 = 2,898.59/x
  3. Step 3: Cross multiply
    4,993.25x = 6,890.69 × 2,898.59
  4. Step 4: Simplify right side
    4,993.25x = 19,973,270.63
  5. Step 5: Solve for x
    x = 19,973,270.63/4,993.25
  6. Step 6: Final answer
    x = 4,000.05

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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.