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Finding the Fourth Proportional to 17,087.70, 25,603.95 and 9,670.10

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Solution

The fourth proportional to 17,087.70, 25,603.95 and 9,670.10 is: 14,489.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087.70 : 25,603.95 = 9,670.10 : x
  2. Step 2: Convert to fraction form
    17,087.70/25,603.95 = 9,670.10/x
  3. Step 3: Cross multiply
    17,087.70x = 25,603.95 × 9,670.10
  4. Step 4: Simplify right side
    17,087.70x = 247,592,756.90
  5. Step 5: Solve for x
    x = 247,592,756.90/17,087.70
  6. Step 6: Final answer
    x = 14,489.53

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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.