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Finding the Fourth Proportional to 49,064.70, 68,603.10 and 49,064.70

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Solution

The fourth proportional to 49,064.70, 68,603.10 and 49,064.70 is: 68,603.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,064.70 : 68,603.10 = 49,064.70 : x
  2. Step 2: Convert to fraction form
    49,064.70/68,603.10 = 49,064.70/x
  3. Step 3: Cross multiply
    49,064.70x = 68,603.10 × 49,064.70
  4. Step 4: Simplify right side
    49,064.70x = 3,365,990,520.57
  5. Step 5: Solve for x
    x = 3,365,990,520.57/49,064.70
  6. Step 6: Final answer
    x = 68,603.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.