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Finding the Fourth Proportional to 55,323.70, 82,766.85 and 48,009.40

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Solution

The fourth proportional to 55,323.70, 82,766.85 and 48,009.40 is: 71,824.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,323.70 : 82,766.85 = 48,009.40 : x
  2. Step 2: Convert to fraction form
    55,323.70/82,766.85 = 48,009.40/x
  3. Step 3: Cross multiply
    55,323.70x = 82,766.85 × 48,009.40
  4. Step 4: Simplify right side
    55,323.70x = 3,973,586,808.39
  5. Step 5: Solve for x
    x = 3,973,586,808.39/55,323.70
  6. Step 6: Final answer
    x = 71,824.31

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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.