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Finding the Fourth Proportional to 64,418.04, 88,897.62 and 35,738.28

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Solution

The fourth proportional to 64,418.04, 88,897.62 and 35,738.28 is: 49,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,418.04 : 88,897.62 = 35,738.28 : x
  2. Step 2: Convert to fraction form
    64,418.04/88,897.62 = 35,738.28/x
  3. Step 3: Cross multiply
    64,418.04x = 88,897.62 × 35,738.28
  4. Step 4: Simplify right side
    64,418.04x = 3,177,048,034.89
  5. Step 5: Solve for x
    x = 3,177,048,034.89/64,418.04
  6. Step 6: Final answer
    x = 49,319.23

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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.