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Finding the Fourth Proportional to 35,395.47, 48,844.89 and 20,296.94

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Solution

The fourth proportional to 35,395.47, 48,844.89 and 20,296.94 is: 28,009.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,395.47 : 48,844.89 = 20,296.94 : x
  2. Step 2: Convert to fraction form
    35,395.47/48,844.89 = 20,296.94/x
  3. Step 3: Cross multiply
    35,395.47x = 48,844.89 × 20,296.94
  4. Step 4: Simplify right side
    35,395.47x = 991,401,557.41
  5. Step 5: Solve for x
    x = 991,401,557.41/35,395.47
  6. Step 6: Final answer
    x = 28,009.28

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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.