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Finding the Fourth Proportional to 61,251.16, 84,400.20 and 46,910.20

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Solution

The fourth proportional to 61,251.16, 84,400.20 and 46,910.20 is: 64,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,251.16 : 84,400.20 = 46,910.20 : x
  2. Step 2: Convert to fraction form
    61,251.16/84,400.20 = 46,910.20/x
  3. Step 3: Cross multiply
    61,251.16x = 84,400.20 × 46,910.20
  4. Step 4: Simplify right side
    61,251.16x = 3,959,230,262.04
  5. Step 5: Solve for x
    x = 3,959,230,262.04/61,251.16
  6. Step 6: Final answer
    x = 64,639.27

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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.