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Finding the Fourth Proportional to 11,349.40, 17,009.70 and 10,053.40

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Solution

The fourth proportional to 11,349.40, 17,009.70 and 10,053.40 is: 15,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.40 : 17,009.70 = 10,053.40 : x
  2. Step 2: Convert to fraction form
    11,349.40/17,009.70 = 10,053.40/x
  3. Step 3: Cross multiply
    11,349.40x = 17,009.70 × 10,053.40
  4. Step 4: Simplify right side
    11,349.40x = 171,005,317.98
  5. Step 5: Solve for x
    x = 171,005,317.98/11,349.40
  6. Step 6: Final answer
    x = 15,067.34

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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.