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Finding the Fourth Proportional to 62,068.99, 85,640.28 and 36,576.40

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Solution

The fourth proportional to 62,068.99, 85,640.28 and 36,576.40 is: 50,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,068.99 : 85,640.28 = 36,576.40 : x
  2. Step 2: Convert to fraction form
    62,068.99/85,640.28 = 36,576.40/x
  3. Step 3: Cross multiply
    62,068.99x = 85,640.28 × 36,576.40
  4. Step 4: Simplify right side
    62,068.99x = 3,132,413,137.39
  5. Step 5: Solve for x
    x = 3,132,413,137.39/62,068.99
  6. Step 6: Final answer
    x = 50,466.64

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1.5x scale

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.