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Finding the Fourth Proportional to 22,607.18, 33,912.66 and 7,810.10

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Solution

The fourth proportional to 22,607.18, 33,912.66 and 7,810.10 is: 11,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,607.18 : 33,912.66 = 7,810.10 : x
  2. Step 2: Convert to fraction form
    22,607.18/33,912.66 = 7,810.10/x
  3. Step 3: Cross multiply
    22,607.18x = 33,912.66 × 7,810.10
  4. Step 4: Simplify right side
    22,607.18x = 264,861,265.87
  5. Step 5: Solve for x
    x = 264,861,265.87/22,607.18
  6. Step 6: Final answer
    x = 11,715.80

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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.