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Finding the Fourth Proportional to 22,415.96, 30,955.02 and 14,047.04

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Solution

The fourth proportional to 22,415.96, 30,955.02 and 14,047.04 is: 19,398.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,415.96 : 30,955.02 = 14,047.04 : x
  2. Step 2: Convert to fraction form
    22,415.96/30,955.02 = 14,047.04/x
  3. Step 3: Cross multiply
    22,415.96x = 30,955.02 × 14,047.04
  4. Step 4: Simplify right side
    22,415.96x = 434,826,404.14
  5. Step 5: Solve for x
    x = 434,826,404.14/22,415.96
  6. Step 6: Final answer
    x = 19,398.07

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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.