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Finding the Fourth Proportional to 5,330.52, 7,302.86 and 5,131.04

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Solution

The fourth proportional to 5,330.52, 7,302.86 and 5,131.04 is: 7,029.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.52 : 7,302.86 = 5,131.04 : x
  2. Step 2: Convert to fraction form
    5,330.52/7,302.86 = 5,131.04/x
  3. Step 3: Cross multiply
    5,330.52x = 7,302.86 × 5,131.04
  4. Step 4: Simplify right side
    5,330.52x = 37,471,266.77
  5. Step 5: Solve for x
    x = 37,471,266.77/5,330.52
  6. Step 6: Final answer
    x = 7,029.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.