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Finding the Fourth Proportional to 55,956.40, 83,999.40 and 33,794.80

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Solution

The fourth proportional to 55,956.40, 83,999.40 and 33,794.80 is: 50,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,956.40 : 83,999.40 = 33,794.80 : x
  2. Step 2: Convert to fraction form
    55,956.40/83,999.40 = 33,794.80/x
  3. Step 3: Cross multiply
    55,956.40x = 83,999.40 × 33,794.80
  4. Step 4: Simplify right side
    55,956.40x = 2,838,742,923.12
  5. Step 5: Solve for x
    x = 2,838,742,923.12/55,956.40
  6. Step 6: Final answer
    x = 50,731.34

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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.