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Finding the Fourth Proportional to 5,489.51, 8,235.54 and 1,593.81

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Solution

The fourth proportional to 5,489.51, 8,235.54 and 1,593.81 is: 2,391.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.51 : 8,235.54 = 1,593.81 : x
  2. Step 2: Convert to fraction form
    5,489.51/8,235.54 = 1,593.81/x
  3. Step 3: Cross multiply
    5,489.51x = 8,235.54 × 1,593.81
  4. Step 4: Simplify right side
    5,489.51x = 13,125,886.01
  5. Step 5: Solve for x
    x = 13,125,886.01/5,489.51
  6. Step 6: Final answer
    x = 2,391.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.