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Finding the Fourth Proportional to 9,015.70, 13,530.52 and 5,894.86

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Solution

The fourth proportional to 9,015.70, 13,530.52 and 5,894.86 is: 8,846.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,015.70 : 13,530.52 = 5,894.86 : x
  2. Step 2: Convert to fraction form
    9,015.70/13,530.52 = 5,894.86/x
  3. Step 3: Cross multiply
    9,015.70x = 13,530.52 × 5,894.86
  4. Step 4: Simplify right side
    9,015.70x = 79,760,521.13
  5. Step 5: Solve for x
    x = 79,760,521.13/9,015.70
  6. Step 6: Final answer
    x = 8,846.85

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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.