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Finding the Fourth Proportional to 47,118.78, 65,024.19 and 25,898.22

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Solution

The fourth proportional to 47,118.78, 65,024.19 and 25,898.22 is: 35,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,118.78 : 65,024.19 = 25,898.22 : x
  2. Step 2: Convert to fraction form
    47,118.78/65,024.19 = 25,898.22/x
  3. Step 3: Cross multiply
    47,118.78x = 65,024.19 × 25,898.22
  4. Step 4: Simplify right side
    47,118.78x = 1,684,010,777.94
  5. Step 5: Solve for x
    x = 1,684,010,777.94/47,118.78
  6. Step 6: Final answer
    x = 35,739.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.