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Finding the Fourth Proportional to 35,393.62, 53,013.87 and 16,645.57

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Solution

The fourth proportional to 35,393.62, 53,013.87 and 16,645.57 is: 24,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,393.62 : 53,013.87 = 16,645.57 : x
  2. Step 2: Convert to fraction form
    35,393.62/53,013.87 = 16,645.57/x
  3. Step 3: Cross multiply
    35,393.62x = 53,013.87 × 16,645.57
  4. Step 4: Simplify right side
    35,393.62x = 882,446,084.06
  5. Step 5: Solve for x
    x = 882,446,084.06/35,393.62
  6. Step 6: Final answer
    x = 24,932.35

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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.