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Finding the Fourth Proportional to 35,603.57, 53,392.58 and 10,638.96

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Solution

The fourth proportional to 35,603.57, 53,392.58 and 10,638.96 is: 15,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.57 : 53,392.58 = 10,638.96 : x
  2. Step 2: Convert to fraction form
    35,603.57/53,392.58 = 10,638.96/x
  3. Step 3: Cross multiply
    35,603.57x = 53,392.58 × 10,638.96
  4. Step 4: Simplify right side
    35,603.57x = 568,041,469.72
  5. Step 5: Solve for x
    x = 568,041,469.72/35,603.57
  6. Step 6: Final answer
    x = 15,954.62

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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.