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Finding the Fourth Proportional to 64,187.54, 88,577.15 and 35,506.45

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Solution

The fourth proportional to 64,187.54, 88,577.15 and 35,506.45 is: 48,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,187.54 : 88,577.15 = 35,506.45 : x
  2. Step 2: Convert to fraction form
    64,187.54/88,577.15 = 35,506.45/x
  3. Step 3: Cross multiply
    64,187.54x = 88,577.15 × 35,506.45
  4. Step 4: Simplify right side
    64,187.54x = 3,145,060,080.81
  5. Step 5: Solve for x
    x = 3,145,060,080.81/64,187.54
  6. Step 6: Final answer
    x = 48,997.99

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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.