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Finding the Fourth Proportional to 36,652.56, 54,978.84 and 21,060.24

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Solution

The fourth proportional to 36,652.56, 54,978.84 and 21,060.24 is: 31,590.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,652.56 : 54,978.84 = 21,060.24 : x
  2. Step 2: Convert to fraction form
    36,652.56/54,978.84 = 21,060.24/x
  3. Step 3: Cross multiply
    36,652.56x = 54,978.84 × 21,060.24
  4. Step 4: Simplify right side
    36,652.56x = 1,157,867,565.32
  5. Step 5: Solve for x
    x = 1,157,867,565.32/36,652.56
  6. Step 6: Final answer
    x = 31,590.36

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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.