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Finding the Fourth Proportional to 64,965.29, 97,441.55 and 44,039.75

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Solution

The fourth proportional to 64,965.29, 97,441.55 and 44,039.75 is: 66,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,965.29 : 97,441.55 = 44,039.75 : x
  2. Step 2: Convert to fraction form
    64,965.29/97,441.55 = 44,039.75/x
  3. Step 3: Cross multiply
    64,965.29x = 97,441.55 × 44,039.75
  4. Step 4: Simplify right side
    64,965.29x = 4,291,301,501.61
  5. Step 5: Solve for x
    x = 4,291,301,501.61/64,965.29
  6. Step 6: Final answer
    x = 66,055.30

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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.