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Finding the Fourth Proportional to 7,710.93, 10,640.44 and 4,523.90

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Solution

The fourth proportional to 7,710.93, 10,640.44 and 4,523.90 is: 6,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,710.93 : 10,640.44 = 4,523.90 : x
  2. Step 2: Convert to fraction form
    7,710.93/10,640.44 = 4,523.90/x
  3. Step 3: Cross multiply
    7,710.93x = 10,640.44 × 4,523.90
  4. Step 4: Simplify right side
    7,710.93x = 48,136,286.52
  5. Step 5: Solve for x
    x = 48,136,286.52/7,710.93
  6. Step 6: Final answer
    x = 6,242.60

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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.