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Finding the Fourth Proportional to 35,885.70, 53,840.09 and 10,930.59

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Solution

The fourth proportional to 35,885.70, 53,840.09 and 10,930.59 is: 16,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885.70 : 53,840.09 = 10,930.59 : x
  2. Step 2: Convert to fraction form
    35,885.70/53,840.09 = 10,930.59/x
  3. Step 3: Cross multiply
    35,885.70x = 53,840.09 × 10,930.59
  4. Step 4: Simplify right side
    35,885.70x = 588,503,894.70
  5. Step 5: Solve for x
    x = 588,503,894.70/35,885.70
  6. Step 6: Final answer
    x = 16,399.40

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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.