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Finding the Fourth Proportional to 56,367.70, 84,592.55 and 45,406.73

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Solution

The fourth proportional to 56,367.70, 84,592.55 and 45,406.73 is: 68,143.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,367.70 : 84,592.55 = 45,406.73 : x
  2. Step 2: Convert to fraction form
    56,367.70/84,592.55 = 45,406.73/x
  3. Step 3: Cross multiply
    56,367.70x = 84,592.55 × 45,406.73
  4. Step 4: Simplify right side
    56,367.70x = 3,841,070,927.03
  5. Step 5: Solve for x
    x = 3,841,070,927.03/56,367.70
  6. Step 6: Final answer
    x = 68,143.12

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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.