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Finding the Fourth Proportional to 17,166.90, 25,750.35 and 13,710.90

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Solution

The fourth proportional to 17,166.90, 25,750.35 and 13,710.90 is: 20,566.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,166.90 : 25,750.35 = 13,710.90 : x
  2. Step 2: Convert to fraction form
    17,166.90/25,750.35 = 13,710.90/x
  3. Step 3: Cross multiply
    17,166.90x = 25,750.35 × 13,710.90
  4. Step 4: Simplify right side
    17,166.90x = 353,060,473.82
  5. Step 5: Solve for x
    x = 353,060,473.82/17,166.90
  6. Step 6: Final answer
    x = 20,566.35

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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.