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Finding the Fourth Proportional to 56,553.80, 84,927.90 and 54,804.20

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Solution

The fourth proportional to 56,553.80, 84,927.90 and 54,804.20 is: 82,300.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,553.80 : 84,927.90 = 54,804.20 : x
  2. Step 2: Convert to fraction form
    56,553.80/84,927.90 = 54,804.20/x
  3. Step 3: Cross multiply
    56,553.80x = 84,927.90 × 54,804.20
  4. Step 4: Simplify right side
    56,553.80x = 4,654,405,617.18
  5. Step 5: Solve for x
    x = 4,654,405,617.18/56,553.80
  6. Step 6: Final answer
    x = 82,300.49

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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.