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Finding the Fourth Proportional to 17,083.70, 25,625.55 and 10,430.90

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Solution

The fourth proportional to 17,083.70, 25,625.55 and 10,430.90 is: 15,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,083.70 : 25,625.55 = 10,430.90 : x
  2. Step 2: Convert to fraction form
    17,083.70/25,625.55 = 10,430.90/x
  3. Step 3: Cross multiply
    17,083.70x = 25,625.55 × 10,430.90
  4. Step 4: Simplify right side
    17,083.70x = 267,297,549.50
  5. Step 5: Solve for x
    x = 267,297,549.50/17,083.70
  6. Step 6: Final answer
    x = 15,646.35

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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.