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Finding the Fourth Proportional to 52,763.70, 79,147.74 and 15,323.77

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Solution

The fourth proportional to 52,763.70, 79,147.74 and 15,323.77 is: 22,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,763.70 : 79,147.74 = 15,323.77 : x
  2. Step 2: Convert to fraction form
    52,763.70/79,147.74 = 15,323.77/x
  3. Step 3: Cross multiply
    52,763.70x = 79,147.74 × 15,323.77
  4. Step 4: Simplify right side
    52,763.70x = 1,212,841,763.78
  5. Step 5: Solve for x
    x = 1,212,841,763.78/52,763.70
  6. Step 6: Final answer
    x = 22,986.29

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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.