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Finding the Fourth Proportional to 64,746.84, 89,350.56 and 36,461.64

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Solution

The fourth proportional to 64,746.84, 89,350.56 and 36,461.64 is: 50,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,746.84 : 89,350.56 = 36,461.64 : x
  2. Step 2: Convert to fraction form
    64,746.84/89,350.56 = 36,461.64/x
  3. Step 3: Cross multiply
    64,746.84x = 89,350.56 × 36,461.64
  4. Step 4: Simplify right side
    64,746.84x = 3,257,867,952.52
  5. Step 5: Solve for x
    x = 3,257,867,952.52/64,746.84
  6. Step 6: Final answer
    x = 50,317.02

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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.