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Finding the Fourth Proportional to 35,885.64, 53,807.94 and 10,918.30

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Solution

The fourth proportional to 35,885.64, 53,807.94 and 10,918.30 is: 16,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885.64 : 53,807.94 = 10,918.30 : x
  2. Step 2: Convert to fraction form
    35,885.64/53,807.94 = 10,918.30/x
  3. Step 3: Cross multiply
    35,885.64x = 53,807.94 × 10,918.30
  4. Step 4: Simplify right side
    35,885.64x = 587,491,231.30
  5. Step 5: Solve for x
    x = 587,491,231.30/35,885.64
  6. Step 6: Final answer
    x = 16,371.21

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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.