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Finding the Fourth Proportional to 35,955.98, 49,620.95 and 20,040.55

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Solution

The fourth proportional to 35,955.98, 49,620.95 and 20,040.55 is: 27,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,955.98 : 49,620.95 = 20,040.55 : x
  2. Step 2: Convert to fraction form
    35,955.98/49,620.95 = 20,040.55/x
  3. Step 3: Cross multiply
    35,955.98x = 49,620.95 × 20,040.55
  4. Step 4: Simplify right side
    35,955.98x = 994,430,881.42
  5. Step 5: Solve for x
    x = 994,430,881.42/35,955.98
  6. Step 6: Final answer
    x = 27,656.90

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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.