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Finding the Fourth Proportional to 55,193.60, 82,790.40 and 35,364.80

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Solution

The fourth proportional to 55,193.60, 82,790.40 and 35,364.80 is: 53,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,193.60 : 82,790.40 = 35,364.80 : x
  2. Step 2: Convert to fraction form
    55,193.60/82,790.40 = 35,364.80/x
  3. Step 3: Cross multiply
    55,193.60x = 82,790.40 × 35,364.80
  4. Step 4: Simplify right side
    55,193.60x = 2,927,865,937.92
  5. Step 5: Solve for x
    x = 2,927,865,937.92/55,193.60
  6. Step 6: Final answer
    x = 53,047.20

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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.