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Finding the Fourth Proportional to 15,588.87, 23,391.18 and 7,797.07

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Solution

The fourth proportional to 15,588.87, 23,391.18 and 7,797.07 is: 11,699.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.87 : 23,391.18 = 7,797.07 : x
  2. Step 2: Convert to fraction form
    15,588.87/23,391.18 = 7,797.07/x
  3. Step 3: Cross multiply
    15,588.87x = 23,391.18 × 7,797.07
  4. Step 4: Simplify right side
    15,588.87x = 182,382,667.84
  5. Step 5: Solve for x
    x = 182,382,667.84/15,588.87
  6. Step 6: Final answer
    x = 11,699.54

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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.