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Finding the Fourth Proportional to 17,762.32, 26,644.80 and 4,614.76

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Solution

The fourth proportional to 17,762.32, 26,644.80 and 4,614.76 is: 6,922.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,762.32 : 26,644.80 = 4,614.76 : x
  2. Step 2: Convert to fraction form
    17,762.32/26,644.80 = 4,614.76/x
  3. Step 3: Cross multiply
    17,762.32x = 26,644.80 × 4,614.76
  4. Step 4: Simplify right side
    17,762.32x = 122,959,357.25
  5. Step 5: Solve for x
    x = 122,959,357.25/17,762.32
  6. Step 6: Final answer
    x = 6,922.48

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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.