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Finding the Fourth Proportional to 52,562.80, 78,844.20 and 15,626.80

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Solution

The fourth proportional to 52,562.80, 78,844.20 and 15,626.80 is: 23,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,562.80 : 78,844.20 = 15,626.80 : x
  2. Step 2: Convert to fraction form
    52,562.80/78,844.20 = 15,626.80/x
  3. Step 3: Cross multiply
    52,562.80x = 78,844.20 × 15,626.80
  4. Step 4: Simplify right side
    52,562.80x = 1,232,082,544.56
  5. Step 5: Solve for x
    x = 1,232,082,544.56/52,562.80
  6. Step 6: Final answer
    x = 23,440.20

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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.