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Finding the Fourth Proportional to 22,752.30, 34,128.45 and 14,879.10

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Solution

The fourth proportional to 22,752.30, 34,128.45 and 14,879.10 is: 22,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,752.30 : 34,128.45 = 14,879.10 : x
  2. Step 2: Convert to fraction form
    22,752.30/34,128.45 = 14,879.10/x
  3. Step 3: Cross multiply
    22,752.30x = 34,128.45 × 14,879.10
  4. Step 4: Simplify right side
    22,752.30x = 507,800,620.40
  5. Step 5: Solve for x
    x = 507,800,620.40/22,752.30
  6. Step 6: Final answer
    x = 22,318.65

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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.