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Finding the Fourth Proportional to 7,395.66, 10,203.80 and 4,738.44

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Solution

The fourth proportional to 7,395.66, 10,203.80 and 4,738.44 is: 6,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395.66 : 10,203.80 = 4,738.44 : x
  2. Step 2: Convert to fraction form
    7,395.66/10,203.80 = 4,738.44/x
  3. Step 3: Cross multiply
    7,395.66x = 10,203.80 × 4,738.44
  4. Step 4: Simplify right side
    7,395.66x = 48,350,094.07
  5. Step 5: Solve for x
    x = 48,350,094.07/7,395.66
  6. Step 6: Final answer
    x = 6,537.63

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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.