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Finding the Fourth Proportional to 3,602.32, 4,973.16 and 2,489.24

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Solution

The fourth proportional to 3,602.32, 4,973.16 and 2,489.24 is: 3,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.32 : 4,973.16 = 2,489.24 : x
  2. Step 2: Convert to fraction form
    3,602.32/4,973.16 = 2,489.24/x
  3. Step 3: Cross multiply
    3,602.32x = 4,973.16 × 2,489.24
  4. Step 4: Simplify right side
    3,602.32x = 12,379,401.23
  5. Step 5: Solve for x
    x = 12,379,401.23/3,602.32
  6. Step 6: Final answer
    x = 3,436.51

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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.