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Finding the Fourth Proportional to 71,383.34, 98,508.84 and 39,552.32

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Solution

The fourth proportional to 71,383.34, 98,508.84 and 39,552.32 is: 54,582.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,383.34 : 98,508.84 = 39,552.32 : x
  2. Step 2: Convert to fraction form
    71,383.34/98,508.84 = 39,552.32/x
  3. Step 3: Cross multiply
    71,383.34x = 98,508.84 × 39,552.32
  4. Step 4: Simplify right side
    71,383.34x = 3,896,253,162.51
  5. Step 5: Solve for x
    x = 3,896,253,162.51/71,383.34
  6. Step 6: Final answer
    x = 54,582.11

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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.