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Finding the Fourth Proportional to 35,439.60, 53,159.46 and 33,274.46

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Solution

The fourth proportional to 35,439.60, 53,159.46 and 33,274.46 is: 49,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,439.60 : 53,159.46 = 33,274.46 : x
  2. Step 2: Convert to fraction form
    35,439.60/53,159.46 = 33,274.46/x
  3. Step 3: Cross multiply
    35,439.60x = 53,159.46 × 33,274.46
  4. Step 4: Simplify right side
    35,439.60x = 1,768,852,325.39
  5. Step 5: Solve for x
    x = 1,768,852,325.39/35,439.60
  6. Step 6: Final answer
    x = 49,911.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.