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Finding the Fourth Proportional to 6,957.78, 9,544.55 and 6,581.16

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Solution

The fourth proportional to 6,957.78, 9,544.55 and 6,581.16 is: 9,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,957.78 : 9,544.55 = 6,581.16 : x
  2. Step 2: Convert to fraction form
    6,957.78/9,544.55 = 6,581.16/x
  3. Step 3: Cross multiply
    6,957.78x = 9,544.55 × 6,581.16
  4. Step 4: Simplify right side
    6,957.78x = 62,814,177.77
  5. Step 5: Solve for x
    x = 62,814,177.77/6,957.78
  6. Step 6: Final answer
    x = 9,027.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.