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Finding the Fourth Proportional to 6,712.58, 9,264.55 and 5,019.58

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Solution

The fourth proportional to 6,712.58, 9,264.55 and 5,019.58 is: 6,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.58 : 9,264.55 = 5,019.58 : x
  2. Step 2: Convert to fraction form
    6,712.58/9,264.55 = 5,019.58/x
  3. Step 3: Cross multiply
    6,712.58x = 9,264.55 × 5,019.58
  4. Step 4: Simplify right side
    6,712.58x = 46,504,149.89
  5. Step 5: Solve for x
    x = 46,504,149.89/6,712.58
  6. Step 6: Final answer
    x = 6,927.91

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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.