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Finding the Fourth Proportional to 11,047.92, 16,575.93 and 5,127.63

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Solution

The fourth proportional to 11,047.92, 16,575.93 and 5,127.63 is: 7,693.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.92 : 16,575.93 = 5,127.63 : x
  2. Step 2: Convert to fraction form
    11,047.92/16,575.93 = 5,127.63/x
  3. Step 3: Cross multiply
    11,047.92x = 16,575.93 × 5,127.63
  4. Step 4: Simplify right side
    11,047.92x = 84,995,235.95
  5. Step 5: Solve for x
    x = 84,995,235.95/11,047.92
  6. Step 6: Final answer
    x = 7,693.32

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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.