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Finding the Fourth Proportional to 34,879.01, 48,130.99 and 18,963.32

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Solution

The fourth proportional to 34,879.01, 48,130.99 and 18,963.32 is: 26,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,879.01 : 48,130.99 = 18,963.32 : x
  2. Step 2: Convert to fraction form
    34,879.01/48,130.99 = 18,963.32/x
  3. Step 3: Cross multiply
    34,879.01x = 48,130.99 × 18,963.32
  4. Step 4: Simplify right side
    34,879.01x = 912,723,077.22
  5. Step 5: Solve for x
    x = 912,723,077.22/34,879.01
  6. Step 6: Final answer
    x = 26,168.27

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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.