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Finding the Fourth Proportional to 35,603.50, 53,392.48 and 10,638.90

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Solution

The fourth proportional to 35,603.50, 53,392.48 and 10,638.90 is: 15,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,603.50 : 53,392.48 = 10,638.90 : x
  2. Step 2: Convert to fraction form
    35,603.50/53,392.48 = 10,638.90/x
  3. Step 3: Cross multiply
    35,603.50x = 53,392.48 × 10,638.90
  4. Step 4: Simplify right side
    35,603.50x = 568,037,255.47
  5. Step 5: Solve for x
    x = 568,037,255.47/35,603.50
  6. Step 6: Final answer
    x = 15,954.53

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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.