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Finding the Fourth Proportional to 64,965.30, 97,441.54 and 44,039.76

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Solution

The fourth proportional to 64,965.30, 97,441.54 and 44,039.76 is: 66,055.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,965.30 : 97,441.54 = 44,039.76 : x
  2. Step 2: Convert to fraction form
    64,965.30/97,441.54 = 44,039.76/x
  3. Step 3: Cross multiply
    64,965.30x = 97,441.54 × 44,039.76
  4. Step 4: Simplify right side
    64,965.30x = 4,291,302,035.63
  5. Step 5: Solve for x
    x = 4,291,302,035.63/64,965.30
  6. Step 6: Final answer
    x = 66,055.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.