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Finding the Fourth Proportional to 4,993.79, 7,495.07 and 2,910.92

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Solution

The fourth proportional to 4,993.79, 7,495.07 and 2,910.92 is: 4,368.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.79 : 7,495.07 = 2,910.92 : x
  2. Step 2: Convert to fraction form
    4,993.79/7,495.07 = 2,910.92/x
  3. Step 3: Cross multiply
    4,993.79x = 7,495.07 × 2,910.92
  4. Step 4: Simplify right side
    4,993.79x = 21,817,497.13
  5. Step 5: Solve for x
    x = 21,817,497.13/4,993.79
  6. Step 6: Final answer
    x = 4,368.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.