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Finding the Fourth Proportional to 8,383.75, 11,569.78 and 4,607.01

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Solution

The fourth proportional to 8,383.75, 11,569.78 and 4,607.01 is: 6,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.75 : 11,569.78 = 4,607.01 : x
  2. Step 2: Convert to fraction form
    8,383.75/11,569.78 = 4,607.01/x
  3. Step 3: Cross multiply
    8,383.75x = 11,569.78 × 4,607.01
  4. Step 4: Simplify right side
    8,383.75x = 53,302,092.16
  5. Step 5: Solve for x
    x = 53,302,092.16/8,383.75
  6. Step 6: Final answer
    x = 6,357.79

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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.