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Finding the Fourth Proportional to 35,615.46, 49,149.69 and 19,701.39

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Solution

The fourth proportional to 35,615.46, 49,149.69 and 19,701.39 is: 27,188.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.46 : 49,149.69 = 19,701.39 : x
  2. Step 2: Convert to fraction form
    35,615.46/49,149.69 = 19,701.39/x
  3. Step 3: Cross multiply
    35,615.46x = 49,149.69 × 19,701.39
  4. Step 4: Simplify right side
    35,615.46x = 968,317,211.07
  5. Step 5: Solve for x
    x = 968,317,211.07/35,615.46
  6. Step 6: Final answer
    x = 27,188.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.