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Finding the Fourth Proportional to 64,355.41, 88,814.61 and 35,676.28

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Solution

The fourth proportional to 64,355.41, 88,814.61 and 35,676.28 is: 49,235.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,355.41 : 88,814.61 = 35,676.28 : x
  2. Step 2: Convert to fraction form
    64,355.41/88,814.61 = 35,676.28/x
  3. Step 3: Cross multiply
    64,355.41x = 88,814.61 × 35,676.28
  4. Step 4: Simplify right side
    64,355.41x = 3,168,574,894.45
  5. Step 5: Solve for x
    x = 3,168,574,894.45/64,355.41
  6. Step 6: Final answer
    x = 49,235.56

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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.