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Finding the Fourth Proportional to 61,508.16, 84,879.29 and 34,649.07

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Solution

The fourth proportional to 61,508.16, 84,879.29 and 34,649.07 is: 47,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,508.16 : 84,879.29 = 34,649.07 : x
  2. Step 2: Convert to fraction form
    61,508.16/84,879.29 = 34,649.07/x
  3. Step 3: Cross multiply
    61,508.16x = 84,879.29 × 34,649.07
  4. Step 4: Simplify right side
    61,508.16x = 2,940,988,229.09
  5. Step 5: Solve for x
    x = 2,940,988,229.09/61,508.16
  6. Step 6: Final answer
    x = 47,814.60

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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.