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Finding the Fourth Proportional to 6,393.19, 8,822.57 and 3,560.59

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Solution

The fourth proportional to 6,393.19, 8,822.57 and 3,560.59 is: 4,913.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,393.19 : 8,822.57 = 3,560.59 : x
  2. Step 2: Convert to fraction form
    6,393.19/8,822.57 = 3,560.59/x
  3. Step 3: Cross multiply
    6,393.19x = 8,822.57 × 3,560.59
  4. Step 4: Simplify right side
    6,393.19x = 31,413,554.52
  5. Step 5: Solve for x
    x = 31,413,554.52/6,393.19
  6. Step 6: Final answer
    x = 4,913.60

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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.