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Finding the Fourth Proportional to 14,647.53, 21,971.83 and 7,529.86

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Solution

The fourth proportional to 14,647.53, 21,971.83 and 7,529.86 is: 11,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.53 : 21,971.83 = 7,529.86 : x
  2. Step 2: Convert to fraction form
    14,647.53/21,971.83 = 7,529.86/x
  3. Step 3: Cross multiply
    14,647.53x = 21,971.83 × 7,529.86
  4. Step 4: Simplify right side
    14,647.53x = 165,444,778.26
  5. Step 5: Solve for x
    x = 165,444,778.26/14,647.53
  6. Step 6: Final answer
    x = 11,295.07

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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.