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Finding the Fourth Proportional to 5,009.64, 6,913.16 and 2,771.61

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Solution

The fourth proportional to 5,009.64, 6,913.16 and 2,771.61 is: 3,824.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,009.64 : 6,913.16 = 2,771.61 : x
  2. Step 2: Convert to fraction form
    5,009.64/6,913.16 = 2,771.61/x
  3. Step 3: Cross multiply
    5,009.64x = 6,913.16 × 2,771.61
  4. Step 4: Simplify right side
    5,009.64x = 19,160,569.53
  5. Step 5: Solve for x
    x = 19,160,569.53/5,009.64
  6. Step 6: Final answer
    x = 3,824.74

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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.