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Finding the Fourth Proportional to 64,348.78, 88,803.76 and 36,053.50

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Solution

The fourth proportional to 64,348.78, 88,803.76 and 36,053.50 is: 49,755.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,348.78 : 88,803.76 = 36,053.50 : x
  2. Step 2: Convert to fraction form
    64,348.78/88,803.76 = 36,053.50/x
  3. Step 3: Cross multiply
    64,348.78x = 88,803.76 × 36,053.50
  4. Step 4: Simplify right side
    64,348.78x = 3,201,686,361.16
  5. Step 5: Solve for x
    x = 3,201,686,361.16/64,348.78
  6. Step 6: Final answer
    x = 49,755.20

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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.