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Finding the Fourth Proportional to 5,490.28, 7,573.26 and 4,827.16

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Solution

The fourth proportional to 5,490.28, 7,573.26 and 4,827.16 is: 6,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.28 : 7,573.26 = 4,827.16 : x
  2. Step 2: Convert to fraction form
    5,490.28/7,573.26 = 4,827.16/x
  3. Step 3: Cross multiply
    5,490.28x = 7,573.26 × 4,827.16
  4. Step 4: Simplify right side
    5,490.28x = 36,557,337.74
  5. Step 5: Solve for x
    x = 36,557,337.74/5,490.28
  6. Step 6: Final answer
    x = 6,658.56

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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.