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Finding the Fourth Proportional to 55,951.80, 83,927.70 and 55,368.60

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Solution

The fourth proportional to 55,951.80, 83,927.70 and 55,368.60 is: 83,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,951.80 : 83,927.70 = 55,368.60 : x
  2. Step 2: Convert to fraction form
    55,951.80/83,927.70 = 55,368.60/x
  3. Step 3: Cross multiply
    55,951.80x = 83,927.70 × 55,368.60
  4. Step 4: Simplify right side
    55,951.80x = 4,646,959,250.22
  5. Step 5: Solve for x
    x = 4,646,959,250.22/55,951.80
  6. Step 6: Final answer
    x = 83,052.90

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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.