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Finding the Fourth Proportional to 64,208.52, 88,593.48 and 40,326.48

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Solution

The fourth proportional to 64,208.52, 88,593.48 and 40,326.48 is: 55,641.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,208.52 : 88,593.48 = 40,326.48 : x
  2. Step 2: Convert to fraction form
    64,208.52/88,593.48 = 40,326.48/x
  3. Step 3: Cross multiply
    64,208.52x = 88,593.48 × 40,326.48
  4. Step 4: Simplify right side
    64,208.52x = 3,572,663,199.35
  5. Step 5: Solve for x
    x = 3,572,663,199.35/64,208.52
  6. Step 6: Final answer
    x = 55,641.58

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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.