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Finding the Fourth Proportional to 7,395, 11,064.54 and 4,276.44

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Solution

The fourth proportional to 7,395, 11,064.54 and 4,276.44 is: 6,398.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,395 : 11,064.54 = 4,276.44 : x
  2. Step 2: Convert to fraction form
    7,395/11,064.54 = 4,276.44/x
  3. Step 3: Cross multiply
    7,395x = 11,064.54 × 4,276.44
  4. Step 4: Simplify right side
    7,395x = 47,316,841.44
  5. Step 5: Solve for x
    x = 47,316,841.44/7,395
  6. Step 6: Final answer
    x = 6,398.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.