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Finding the Fourth Proportional to 4,679.17, 6,465.17 and 3,621.25

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Solution

The fourth proportional to 4,679.17, 6,465.17 and 3,621.25 is: 5,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679.17 : 6,465.17 = 3,621.25 : x
  2. Step 2: Convert to fraction form
    4,679.17/6,465.17 = 3,621.25/x
  3. Step 3: Cross multiply
    4,679.17x = 6,465.17 × 3,621.25
  4. Step 4: Simplify right side
    4,679.17x = 23,411,996.86
  5. Step 5: Solve for x
    x = 23,411,996.86/4,679.17
  6. Step 6: Final answer
    x = 5,003.45

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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.