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Finding the Fourth Proportional to 2,903.49, 4,353.44 and 955.17

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Solution

The fourth proportional to 2,903.49, 4,353.44 and 955.17 is: 1,432.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.49 : 4,353.44 = 955.17 : x
  2. Step 2: Convert to fraction form
    2,903.49/4,353.44 = 955.17/x
  3. Step 3: Cross multiply
    2,903.49x = 4,353.44 × 955.17
  4. Step 4: Simplify right side
    2,903.49x = 4,158,270.51
  5. Step 5: Solve for x
    x = 4,158,270.51/2,903.49
  6. Step 6: Final answer
    x = 1,432.16

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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.