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Finding the Fourth Proportional to 64,977.39, 97,504.97 and 59,689.71

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Solution

The fourth proportional to 64,977.39, 97,504.97 and 59,689.71 is: 89,570.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.39 : 97,504.97 = 59,689.71 : x
  2. Step 2: Convert to fraction form
    64,977.39/97,504.97 = 59,689.71/x
  3. Step 3: Cross multiply
    64,977.39x = 97,504.97 × 59,689.71
  4. Step 4: Simplify right side
    64,977.39x = 5,820,043,084.41
  5. Step 5: Solve for x
    x = 5,820,043,084.41/64,977.39
  6. Step 6: Final answer
    x = 89,570.28

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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.