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Finding the Fourth Proportional to 2,266.32, 3,123.80 and 1,602.32

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Solution

The fourth proportional to 2,266.32, 3,123.80 and 1,602.32 is: 2,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,266.32 : 3,123.80 = 1,602.32 : x
  2. Step 2: Convert to fraction form
    2,266.32/3,123.80 = 1,602.32/x
  3. Step 3: Cross multiply
    2,266.32x = 3,123.80 × 1,602.32
  4. Step 4: Simplify right side
    2,266.32x = 5,005,327.22
  5. Step 5: Solve for x
    x = 5,005,327.22/2,266.32
  6. Step 6: Final answer
    x = 2,208.57

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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.