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Finding the Fourth Proportional to 19,252.60, 28,878.90 and 10,504.60

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Solution

The fourth proportional to 19,252.60, 28,878.90 and 10,504.60 is: 15,756.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,252.60 : 28,878.90 = 10,504.60 : x
  2. Step 2: Convert to fraction form
    19,252.60/28,878.90 = 10,504.60/x
  3. Step 3: Cross multiply
    19,252.60x = 28,878.90 × 10,504.60
  4. Step 4: Simplify right side
    19,252.60x = 303,361,292.94
  5. Step 5: Solve for x
    x = 303,361,292.94/19,252.60
  6. Step 6: Final answer
    x = 15,756.90

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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.