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Finding the Fourth Proportional to 18,695.79, 28,047.22 and 6,048.94

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Solution

The fourth proportional to 18,695.79, 28,047.22 and 6,048.94 is: 9,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.79 : 28,047.22 = 6,048.94 : x
  2. Step 2: Convert to fraction form
    18,695.79/28,047.22 = 6,048.94/x
  3. Step 3: Cross multiply
    18,695.79x = 28,047.22 × 6,048.94
  4. Step 4: Simplify right side
    18,695.79x = 169,655,950.95
  5. Step 5: Solve for x
    x = 169,655,950.95/18,695.79
  6. Step 6: Final answer
    x = 9,074.55

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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.