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Finding the Fourth Proportional to 15,047.63, 20,764.16 and 8,333.08

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Solution

The fourth proportional to 15,047.63, 20,764.16 and 8,333.08 is: 11,498.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,047.63 : 20,764.16 = 8,333.08 : x
  2. Step 2: Convert to fraction form
    15,047.63/20,764.16 = 8,333.08/x
  3. Step 3: Cross multiply
    15,047.63x = 20,764.16 × 8,333.08
  4. Step 4: Simplify right side
    15,047.63x = 173,029,260.93
  5. Step 5: Solve for x
    x = 173,029,260.93/15,047.63
  6. Step 6: Final answer
    x = 11,498.77

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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.