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Finding the Fourth Proportional to 8,483.10, 12,721.29 and 2,558.16

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Solution

The fourth proportional to 8,483.10, 12,721.29 and 2,558.16 is: 3,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.10 : 12,721.29 = 2,558.16 : x
  2. Step 2: Convert to fraction form
    8,483.10/12,721.29 = 2,558.16/x
  3. Step 3: Cross multiply
    8,483.10x = 12,721.29 × 2,558.16
  4. Step 4: Simplify right side
    8,483.10x = 32,543,095.23
  5. Step 5: Solve for x
    x = 32,543,095.23/8,483.10
  6. Step 6: Final answer
    x = 3,836.23

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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.