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Finding the Fourth Proportional to 7,393.74, 10,199.36 and 5,000.55

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Solution

The fourth proportional to 7,393.74, 10,199.36 and 5,000.55 is: 6,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,393.74 : 10,199.36 = 5,000.55 : x
  2. Step 2: Convert to fraction form
    7,393.74/10,199.36 = 5,000.55/x
  3. Step 3: Cross multiply
    7,393.74x = 10,199.36 × 5,000.55
  4. Step 4: Simplify right side
    7,393.74x = 51,002,384.65
  5. Step 5: Solve for x
    x = 51,002,384.65/7,393.74
  6. Step 6: Final answer
    x = 6,898.05

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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.