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Finding the Fourth Proportional to 60,537.10, 90,696.30 and 49,383.40

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Solution

The fourth proportional to 60,537.10, 90,696.30 and 49,383.40 is: 73,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,537.10 : 90,696.30 = 49,383.40 : x
  2. Step 2: Convert to fraction form
    60,537.10/90,696.30 = 49,383.40/x
  3. Step 3: Cross multiply
    60,537.10x = 90,696.30 × 49,383.40
  4. Step 4: Simplify right side
    60,537.10x = 4,478,891,661.42
  5. Step 5: Solve for x
    x = 4,478,891,661.42/60,537.10
  6. Step 6: Final answer
    x = 73,985.90

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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.