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Finding the Fourth Proportional to 5,291.42, 7,302.42 and 2,933.57

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Solution

The fourth proportional to 5,291.42, 7,302.42 and 2,933.57 is: 4,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,291.42 : 7,302.42 = 2,933.57 : x
  2. Step 2: Convert to fraction form
    5,291.42/7,302.42 = 2,933.57/x
  3. Step 3: Cross multiply
    5,291.42x = 7,302.42 × 2,933.57
  4. Step 4: Simplify right side
    5,291.42x = 21,422,160.24
  5. Step 5: Solve for x
    x = 21,422,160.24/5,291.42
  6. Step 6: Final answer
    x = 4,048.47

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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.