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Finding the Fourth Proportional to 14,874.99, 22,288.77 and 7,854.72

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Solution

The fourth proportional to 14,874.99, 22,288.77 and 7,854.72 is: 11,769.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,874.99 : 22,288.77 = 7,854.72 : x
  2. Step 2: Convert to fraction form
    14,874.99/22,288.77 = 7,854.72/x
  3. Step 3: Cross multiply
    14,874.99x = 22,288.77 × 7,854.72
  4. Step 4: Simplify right side
    14,874.99x = 175,072,047.49
  5. Step 5: Solve for x
    x = 175,072,047.49/14,874.99
  6. Step 6: Final answer
    x = 11,769.56

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1.5x scale

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.