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Finding the Fourth Proportional to 35,615.96, 49,149.15 and 19,700.06

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Solution

The fourth proportional to 35,615.96, 49,149.15 and 19,700.06 is: 27,185.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,615.96 : 49,149.15 = 19,700.06 : x
  2. Step 2: Convert to fraction form
    35,615.96/49,149.15 = 19,700.06/x
  3. Step 3: Cross multiply
    35,615.96x = 49,149.15 × 19,700.06
  4. Step 4: Simplify right side
    35,615.96x = 968,240,958.20
  5. Step 5: Solve for x
    x = 968,240,958.20/35,615.96
  6. Step 6: Final answer
    x = 27,185.60

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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.