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Finding the Fourth Proportional to 16,709.72, 23,053.72 and 9,534.48

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Solution

The fourth proportional to 16,709.72, 23,053.72 and 9,534.48 is: 13,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.72 : 23,053.72 = 9,534.48 : x
  2. Step 2: Convert to fraction form
    16,709.72/23,053.72 = 9,534.48/x
  3. Step 3: Cross multiply
    16,709.72x = 23,053.72 × 9,534.48
  4. Step 4: Simplify right side
    16,709.72x = 219,805,232.27
  5. Step 5: Solve for x
    x = 219,805,232.27/16,709.72
  6. Step 6: Final answer
    x = 13,154.33

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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.