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Finding the Fourth Proportional to 22,894.95, 31,598.87 and 13,945.94

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Solution

The fourth proportional to 22,894.95, 31,598.87 and 13,945.94 is: 19,247.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,894.95 : 31,598.87 = 13,945.94 : x
  2. Step 2: Convert to fraction form
    22,894.95/31,598.87 = 13,945.94/x
  3. Step 3: Cross multiply
    22,894.95x = 31,598.87 × 13,945.94
  4. Step 4: Simplify right side
    22,894.95x = 440,675,717.36
  5. Step 5: Solve for x
    x = 440,675,717.36/22,894.95
  6. Step 6: Final answer
    x = 19,247.73

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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.