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Finding the Fourth Proportional to 9,916.56, 14,874.84 and 4,366.98

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Solution

The fourth proportional to 9,916.56, 14,874.84 and 4,366.98 is: 6,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.56 : 14,874.84 = 4,366.98 : x
  2. Step 2: Convert to fraction form
    9,916.56/14,874.84 = 4,366.98/x
  3. Step 3: Cross multiply
    9,916.56x = 14,874.84 × 4,366.98
  4. Step 4: Simplify right side
    9,916.56x = 64,958,128.78
  5. Step 5: Solve for x
    x = 64,958,128.78/9,916.56
  6. Step 6: Final answer
    x = 6,550.47

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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.