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Finding the Fourth Proportional to 6,480.92, 8,938.14 and 5,477.48

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Solution

The fourth proportional to 6,480.92, 8,938.14 and 5,477.48 is: 7,554.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.92 : 8,938.14 = 5,477.48 : x
  2. Step 2: Convert to fraction form
    6,480.92/8,938.14 = 5,477.48/x
  3. Step 3: Cross multiply
    6,480.92x = 8,938.14 × 5,477.48
  4. Step 4: Simplify right side
    6,480.92x = 48,958,483.09
  5. Step 5: Solve for x
    x = 48,958,483.09/6,480.92
  6. Step 6: Final answer
    x = 7,554.25

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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.