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Finding the Fourth Proportional to 54,347.19, 81,512.07 and 14,895.15

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Solution

The fourth proportional to 54,347.19, 81,512.07 and 14,895.15 is: 22,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,347.19 : 81,512.07 = 14,895.15 : x
  2. Step 2: Convert to fraction form
    54,347.19/81,512.07 = 14,895.15/x
  3. Step 3: Cross multiply
    54,347.19x = 81,512.07 × 14,895.15
  4. Step 4: Simplify right side
    54,347.19x = 1,214,134,509.46
  5. Step 5: Solve for x
    x = 1,214,134,509.46/54,347.19
  6. Step 6: Final answer
    x = 22,340.34

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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.