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Finding the Fourth Proportional to 12,573.06, 18,834.93 and 7,296.99

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Solution

The fourth proportional to 12,573.06, 18,834.93 and 7,296.99 is: 10,931.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,573.06 : 18,834.93 = 7,296.99 : x
  2. Step 2: Convert to fraction form
    12,573.06/18,834.93 = 7,296.99/x
  3. Step 3: Cross multiply
    12,573.06x = 18,834.93 × 7,296.99
  4. Step 4: Simplify right side
    12,573.06x = 137,438,295.86
  5. Step 5: Solve for x
    x = 137,438,295.86/12,573.06
  6. Step 6: Final answer
    x = 10,931.17

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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.