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Finding the Fourth Proportional to 35,188.44, 48,570.30 and 20,089.44

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Solution

The fourth proportional to 35,188.44, 48,570.30 and 20,089.44 is: 27,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.44 : 48,570.30 = 20,089.44 : x
  2. Step 2: Convert to fraction form
    35,188.44/48,570.30 = 20,089.44/x
  3. Step 3: Cross multiply
    35,188.44x = 48,570.30 × 20,089.44
  4. Step 4: Simplify right side
    35,188.44x = 975,750,127.63
  5. Step 5: Solve for x
    x = 975,750,127.63/35,188.44
  6. Step 6: Final answer
    x = 27,729.28

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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.