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Finding the Fourth Proportional to 16,907.10, 25,363.05 and 5,219.10

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Solution

The fourth proportional to 16,907.10, 25,363.05 and 5,219.10 is: 7,829.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.10 : 25,363.05 = 5,219.10 : x
  2. Step 2: Convert to fraction form
    16,907.10/25,363.05 = 5,219.10/x
  3. Step 3: Cross multiply
    16,907.10x = 25,363.05 × 5,219.10
  4. Step 4: Simplify right side
    16,907.10x = 132,372,294.26
  5. Step 5: Solve for x
    x = 132,372,294.26/16,907.10
  6. Step 6: Final answer
    x = 7,829.39

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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.