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Finding the Fourth Proportional to 5,622.49, 7,753.21 and 4,828.44

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Solution

The fourth proportional to 5,622.49, 7,753.21 and 4,828.44 is: 6,658.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.49 : 7,753.21 = 4,828.44 : x
  2. Step 2: Convert to fraction form
    5,622.49/7,753.21 = 4,828.44/x
  3. Step 3: Cross multiply
    5,622.49x = 7,753.21 × 4,828.44
  4. Step 4: Simplify right side
    5,622.49x = 37,435,953.61
  5. Step 5: Solve for x
    x = 37,435,953.61/5,622.49
  6. Step 6: Final answer
    x = 6,658.25

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Half scale
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Double scale
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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.