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Finding the Fourth Proportional to 17,029.10, 25,521.45 and 8,702.10

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Solution

The fourth proportional to 17,029.10, 25,521.45 and 8,702.10 is: 13,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,029.10 : 25,521.45 = 8,702.10 : x
  2. Step 2: Convert to fraction form
    17,029.10/25,521.45 = 8,702.10/x
  3. Step 3: Cross multiply
    17,029.10x = 25,521.45 × 8,702.10
  4. Step 4: Simplify right side
    17,029.10x = 222,090,210.05
  5. Step 5: Solve for x
    x = 222,090,210.05/17,029.10
  6. Step 6: Final answer
    x = 13,041.81

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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.