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Finding the Fourth Proportional to 6,298.74, 9,447.48 and 1,916.25

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Solution

The fourth proportional to 6,298.74, 9,447.48 and 1,916.25 is: 2,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,298.74 : 9,447.48 = 1,916.25 : x
  2. Step 2: Convert to fraction form
    6,298.74/9,447.48 = 1,916.25/x
  3. Step 3: Cross multiply
    6,298.74x = 9,447.48 × 1,916.25
  4. Step 4: Simplify right side
    6,298.74x = 18,103,733.55
  5. Step 5: Solve for x
    x = 18,103,733.55/6,298.74
  6. Step 6: Final answer
    x = 2,874.18

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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.