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Finding the Fourth Proportional to 5,009.77, 6,915.69 and 2,993.89

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Solution

The fourth proportional to 5,009.77, 6,915.69 and 2,993.89 is: 4,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.77 : 6,915.69 = 2,993.89 : x
  2. Step 2: Convert to fraction form
    5,009.77/6,915.69 = 2,993.89/x
  3. Step 3: Cross multiply
    5,009.77x = 6,915.69 × 2,993.89
  4. Step 4: Simplify right side
    5,009.77x = 20,704,829.39
  5. Step 5: Solve for x
    x = 20,704,829.39/5,009.77
  6. Step 6: Final answer
    x = 4,132.89

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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.