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Finding the Fourth Proportional to 2,203.47, 3,304.35 and 887.22

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Solution

The fourth proportional to 2,203.47, 3,304.35 and 887.22 is: 1,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.47 : 3,304.35 = 887.22 : x
  2. Step 2: Convert to fraction form
    2,203.47/3,304.35 = 887.22/x
  3. Step 3: Cross multiply
    2,203.47x = 3,304.35 × 887.22
  4. Step 4: Simplify right side
    2,203.47x = 2,931,685.41
  5. Step 5: Solve for x
    x = 2,931,685.41/2,203.47
  6. Step 6: Final answer
    x = 1,330.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.