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Finding the Fourth Proportional to 64,804.96, 89,396.71 and 44,626.87

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Solution

The fourth proportional to 64,804.96, 89,396.71 and 44,626.87 is: 61,561.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,804.96 : 89,396.71 = 44,626.87 : x
  2. Step 2: Convert to fraction form
    64,804.96/89,396.71 = 44,626.87/x
  3. Step 3: Cross multiply
    64,804.96x = 89,396.71 × 44,626.87
  4. Step 4: Simplify right side
    64,804.96x = 3,989,495,355.60
  5. Step 5: Solve for x
    x = 3,989,495,355.60/64,804.96
  6. Step 6: Final answer
    x = 61,561.57

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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.