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Finding the Fourth Proportional to 52,453, 78,622.26 and 25,817.32

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Solution

The fourth proportional to 52,453, 78,622.26 and 25,817.32 is: 38,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453 : 78,622.26 = 25,817.32 : x
  2. Step 2: Convert to fraction form
    52,453/78,622.26 = 25,817.32/x
  3. Step 3: Cross multiply
    52,453x = 78,622.26 × 25,817.32
  4. Step 4: Simplify right side
    52,453x = 2,029,816,045.54
  5. Step 5: Solve for x
    x = 2,029,816,045.54/52,453
  6. Step 6: Final answer
    x = 38,697.81

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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.