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Finding the Fourth Proportional to 14,879.30, 22,303.20 and 5,513.30

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Solution

The fourth proportional to 14,879.30, 22,303.20 and 5,513.30 is: 8,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.30 : 22,303.20 = 5,513.30 : x
  2. Step 2: Convert to fraction form
    14,879.30/22,303.20 = 5,513.30/x
  3. Step 3: Cross multiply
    14,879.30x = 22,303.20 × 5,513.30
  4. Step 4: Simplify right side
    14,879.30x = 122,964,232.56
  5. Step 5: Solve for x
    x = 122,964,232.56/14,879.30
  6. Step 6: Final answer
    x = 8,264.11

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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.