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Finding the Fourth Proportional to 35,912.73, 53,869.11 and 9,616.80

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Solution

The fourth proportional to 35,912.73, 53,869.11 and 9,616.80 is: 14,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.73 : 53,869.11 = 9,616.80 : x
  2. Step 2: Convert to fraction form
    35,912.73/53,869.11 = 9,616.80/x
  3. Step 3: Cross multiply
    35,912.73x = 53,869.11 × 9,616.80
  4. Step 4: Simplify right side
    35,912.73x = 518,048,457.05
  5. Step 5: Solve for x
    x = 518,048,457.05/35,912.73
  6. Step 6: Final answer
    x = 14,425.20

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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.