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Finding the Fourth Proportional to 17,095.16, 25,647.96 and 8,328.80

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Solution

The fourth proportional to 17,095.16, 25,647.96 and 8,328.80 is: 12,495.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,095.16 : 25,647.96 = 8,328.80 : x
  2. Step 2: Convert to fraction form
    17,095.16/25,647.96 = 8,328.80/x
  3. Step 3: Cross multiply
    17,095.16x = 25,647.96 × 8,328.80
  4. Step 4: Simplify right side
    17,095.16x = 213,616,729.25
  5. Step 5: Solve for x
    x = 213,616,729.25/17,095.16
  6. Step 6: Final answer
    x = 12,495.74

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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.