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Finding the Fourth Proportional to 3,602.40, 4,965.48 and 3,553.80

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Solution

The fourth proportional to 3,602.40, 4,965.48 and 3,553.80 is: 4,898.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,602.40 : 4,965.48 = 3,553.80 : x
  2. Step 2: Convert to fraction form
    3,602.40/4,965.48 = 3,553.80/x
  3. Step 3: Cross multiply
    3,602.40x = 4,965.48 × 3,553.80
  4. Step 4: Simplify right side
    3,602.40x = 17,646,322.82
  5. Step 5: Solve for x
    x = 17,646,322.82/3,602.40
  6. Step 6: Final answer
    x = 4,898.49

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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.