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Finding the Fourth Proportional to 64,985.98, 97,478.98 and 41,760.04

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Solution

The fourth proportional to 64,985.98, 97,478.98 and 41,760.04 is: 62,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,985.98 : 97,478.98 = 41,760.04 : x
  2. Step 2: Convert to fraction form
    64,985.98/97,478.98 = 41,760.04/x
  3. Step 3: Cross multiply
    64,985.98x = 97,478.98 × 41,760.04
  4. Step 4: Simplify right side
    64,985.98x = 4,070,726,103.96
  5. Step 5: Solve for x
    x = 4,070,726,103.96/64,985.98
  6. Step 6: Final answer
    x = 62,640.07

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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.