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Finding the Fourth Proportional to 15,894.56, 23,841.12 and 4,800.80

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Solution

The fourth proportional to 15,894.56, 23,841.12 and 4,800.80 is: 7,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,894.56 : 23,841.12 = 4,800.80 : x
  2. Step 2: Convert to fraction form
    15,894.56/23,841.12 = 4,800.80/x
  3. Step 3: Cross multiply
    15,894.56x = 23,841.12 × 4,800.80
  4. Step 4: Simplify right side
    15,894.56x = 114,456,448.90
  5. Step 5: Solve for x
    x = 114,456,448.90/15,894.56
  6. Step 6: Final answer
    x = 7,200.98

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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.