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Finding the Fourth Proportional to 5,671.24, 8,506.74 and 3,039.64

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Solution

The fourth proportional to 5,671.24, 8,506.74 and 3,039.64 is: 4,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.24 : 8,506.74 = 3,039.64 : x
  2. Step 2: Convert to fraction form
    5,671.24/8,506.74 = 3,039.64/x
  3. Step 3: Cross multiply
    5,671.24x = 8,506.74 × 3,039.64
  4. Step 4: Simplify right side
    5,671.24x = 25,857,427.17
  5. Step 5: Solve for x
    x = 25,857,427.17/5,671.24
  6. Step 6: Final answer
    x = 4,559.40

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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.