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Finding the Fourth Proportional to 35,211.62, 52,817.55 and 8,916.35

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Solution

The fourth proportional to 35,211.62, 52,817.55 and 8,916.35 is: 13,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,211.62 : 52,817.55 = 8,916.35 : x
  2. Step 2: Convert to fraction form
    35,211.62/52,817.55 = 8,916.35/x
  3. Step 3: Cross multiply
    35,211.62x = 52,817.55 × 8,916.35
  4. Step 4: Simplify right side
    35,211.62x = 470,939,761.94
  5. Step 5: Solve for x
    x = 470,939,761.94/35,211.62
  6. Step 6: Final answer
    x = 13,374.56

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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.