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Finding the Fourth Proportional to 15,782.67, 23,673.08 and 5,921.13

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Solution

The fourth proportional to 15,782.67, 23,673.08 and 5,921.13 is: 8,881.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.67 : 23,673.08 = 5,921.13 : x
  2. Step 2: Convert to fraction form
    15,782.67/23,673.08 = 5,921.13/x
  3. Step 3: Cross multiply
    15,782.67x = 23,673.08 × 5,921.13
  4. Step 4: Simplify right side
    15,782.67x = 140,171,265.82
  5. Step 5: Solve for x
    x = 140,171,265.82/15,782.67
  6. Step 6: Final answer
    x = 8,881.34

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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.