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Finding the Fourth Proportional to 12,754.13, 19,131.19 and 4,962.94

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Solution

The fourth proportional to 12,754.13, 19,131.19 and 4,962.94 is: 7,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754.13 : 19,131.19 = 4,962.94 : x
  2. Step 2: Convert to fraction form
    12,754.13/19,131.19 = 4,962.94/x
  3. Step 3: Cross multiply
    12,754.13x = 19,131.19 × 4,962.94
  4. Step 4: Simplify right side
    12,754.13x = 94,946,887.86
  5. Step 5: Solve for x
    x = 94,946,887.86/12,754.13
  6. Step 6: Final answer
    x = 7,444.41

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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.