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Finding the Fourth Proportional to 14,758.00, 20,365.52 and 8,043.48

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Solution

The fourth proportional to 14,758.00, 20,365.52 and 8,043.48 is: 11,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758.00 : 20,365.52 = 8,043.48 : x
  2. Step 2: Convert to fraction form
    14,758.00/20,365.52 = 8,043.48/x
  3. Step 3: Cross multiply
    14,758.00x = 20,365.52 × 8,043.48
  4. Step 4: Simplify right side
    14,758.00x = 163,809,612.59
  5. Step 5: Solve for x
    x = 163,809,612.59/14,758.00
  6. Step 6: Final answer
    x = 11,099.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.