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Finding the Fourth Proportional to 5,511.54, 7,606.86 and 5,329.30

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Solution

The fourth proportional to 5,511.54, 7,606.86 and 5,329.30 is: 7,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.54 : 7,606.86 = 5,329.30 : x
  2. Step 2: Convert to fraction form
    5,511.54/7,606.86 = 5,329.30/x
  3. Step 3: Cross multiply
    5,511.54x = 7,606.86 × 5,329.30
  4. Step 4: Simplify right side
    5,511.54x = 40,539,239.00
  5. Step 5: Solve for x
    x = 40,539,239.00/5,511.54
  6. Step 6: Final answer
    x = 7,355.34

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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.