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Finding the Fourth Proportional to 5,903.64, 8,855.40 and 2,615.82

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Solution

The fourth proportional to 5,903.64, 8,855.40 and 2,615.82 is: 3,923.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,903.64 : 8,855.40 = 2,615.82 : x
  2. Step 2: Convert to fraction form
    5,903.64/8,855.40 = 2,615.82/x
  3. Step 3: Cross multiply
    5,903.64x = 8,855.40 × 2,615.82
  4. Step 4: Simplify right side
    5,903.64x = 23,164,132.43
  5. Step 5: Solve for x
    x = 23,164,132.43/5,903.64
  6. Step 6: Final answer
    x = 3,923.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.