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Finding the Fourth Proportional to 8,417.98, 12,627 and 2,574.57

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Solution

The fourth proportional to 8,417.98, 12,627 and 2,574.57 is: 3,861.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.98 : 12,627 = 2,574.57 : x
  2. Step 2: Convert to fraction form
    8,417.98/12,627 = 2,574.57/x
  3. Step 3: Cross multiply
    8,417.98x = 12,627 × 2,574.57
  4. Step 4: Simplify right side
    8,417.98x = 32,509,095.39
  5. Step 5: Solve for x
    x = 32,509,095.39/8,417.98
  6. Step 6: Final answer
    x = 3,861.86

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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.