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Finding the Fourth Proportional to 15,782.66, 23,672.23 and 5,650.63

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Solution

The fourth proportional to 15,782.66, 23,672.23 and 5,650.63 is: 8,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.66 : 23,672.23 = 5,650.63 : x
  2. Step 2: Convert to fraction form
    15,782.66/23,672.23 = 5,650.63/x
  3. Step 3: Cross multiply
    15,782.66x = 23,672.23 × 5,650.63
  4. Step 4: Simplify right side
    15,782.66x = 133,763,013.00
  5. Step 5: Solve for x
    x = 133,763,013.00/15,782.66
  6. Step 6: Final answer
    x = 8,475.31

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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.