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Finding the Fourth Proportional to 19,333.72, 28,953.06 and 9,441.10

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Solution

The fourth proportional to 19,333.72, 28,953.06 and 9,441.10 is: 14,138.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.72 : 28,953.06 = 9,441.10 : x
  2. Step 2: Convert to fraction form
    19,333.72/28,953.06 = 9,441.10/x
  3. Step 3: Cross multiply
    19,333.72x = 28,953.06 × 9,441.10
  4. Step 4: Simplify right side
    19,333.72x = 273,348,734.77
  5. Step 5: Solve for x
    x = 273,348,734.77/19,333.72
  6. Step 6: Final answer
    x = 14,138.44

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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.