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Finding the Fourth Proportional to 64,877.74, 89,511.02 and 36,577.96

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Solution

The fourth proportional to 64,877.74, 89,511.02 and 36,577.96 is: 50,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,877.74 : 89,511.02 = 36,577.96 : x
  2. Step 2: Convert to fraction form
    64,877.74/89,511.02 = 36,577.96/x
  3. Step 3: Cross multiply
    64,877.74x = 89,511.02 × 36,577.96
  4. Step 4: Simplify right side
    64,877.74x = 3,274,130,509.12
  5. Step 5: Solve for x
    x = 3,274,130,509.12/64,877.74
  6. Step 6: Final answer
    x = 50,466.16

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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.