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Finding the Fourth Proportional to 64,362.60, 88,820.64 and 36,068.58

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Solution

The fourth proportional to 64,362.60, 88,820.64 and 36,068.58 is: 49,774.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,362.60 : 88,820.64 = 36,068.58 : x
  2. Step 2: Convert to fraction form
    64,362.60/88,820.64 = 36,068.58/x
  3. Step 3: Cross multiply
    64,362.60x = 88,820.64 × 36,068.58
  4. Step 4: Simplify right side
    64,362.60x = 3,203,634,359.49
  5. Step 5: Solve for x
    x = 3,203,634,359.49/64,362.60
  6. Step 6: Final answer
    x = 49,774.78

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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.