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Finding the Fourth Proportional to 21,999.52, 32,999.56 and 14,550.76

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Solution

The fourth proportional to 21,999.52, 32,999.56 and 14,550.76 is: 21,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,999.52 : 32,999.56 = 14,550.76 : x
  2. Step 2: Convert to fraction form
    21,999.52/32,999.56 = 14,550.76/x
  3. Step 3: Cross multiply
    21,999.52x = 32,999.56 × 14,550.76
  4. Step 4: Simplify right side
    21,999.52x = 480,168,682.54
  5. Step 5: Solve for x
    x = 480,168,682.54/21,999.52
  6. Step 6: Final answer
    x = 21,826.32

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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.