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Finding the Fourth Proportional to 35,915.99, 53,861.02 and 15,141.11

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Solution

The fourth proportional to 35,915.99, 53,861.02 and 15,141.11 is: 22,706.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,915.99 : 53,861.02 = 15,141.11 : x
  2. Step 2: Convert to fraction form
    35,915.99/53,861.02 = 15,141.11/x
  3. Step 3: Cross multiply
    35,915.99x = 53,861.02 × 15,141.11
  4. Step 4: Simplify right side
    35,915.99x = 815,515,321.37
  5. Step 5: Solve for x
    x = 815,515,321.37/35,915.99
  6. Step 6: Final answer
    x = 22,706.19

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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.