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Finding the Fourth Proportional to 34,245.66, 47,253 and 19,133.49

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Solution

The fourth proportional to 34,245.66, 47,253 and 19,133.49 is: 26,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,245.66 : 47,253 = 19,133.49 : x
  2. Step 2: Convert to fraction form
    34,245.66/47,253 = 19,133.49/x
  3. Step 3: Cross multiply
    34,245.66x = 47,253 × 19,133.49
  4. Step 4: Simplify right side
    34,245.66x = 904,114,802.97
  5. Step 5: Solve for x
    x = 904,114,802.97/34,245.66
  6. Step 6: Final answer
    x = 26,400.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.