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Finding the Fourth Proportional to 35,879.86, 49,536.48 and 23,139.28

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Solution

The fourth proportional to 35,879.86, 49,536.48 and 23,139.28 is: 31,946.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,879.86 : 49,536.48 = 23,139.28 : x
  2. Step 2: Convert to fraction form
    35,879.86/49,536.48 = 23,139.28/x
  3. Step 3: Cross multiply
    35,879.86x = 49,536.48 × 23,139.28
  4. Step 4: Simplify right side
    35,879.86x = 1,146,238,480.93
  5. Step 5: Solve for x
    x = 1,146,238,480.93/35,879.86
  6. Step 6: Final answer
    x = 31,946.57

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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.