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Finding the Fourth Proportional to 5,417, 7,475.47 and 2,933

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Solution

The fourth proportional to 5,417, 7,475.47 and 2,933 is: 4,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417 : 7,475.47 = 2,933 : x
  2. Step 2: Convert to fraction form
    5,417/7,475.47 = 2,933/x
  3. Step 3: Cross multiply
    5,417x = 7,475.47 × 2,933
  4. Step 4: Simplify right side
    5,417x = 21,925,553.51
  5. Step 5: Solve for x
    x = 21,925,553.51/5,417
  6. Step 6: Final answer
    x = 4,047.55

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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.