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Finding the Fourth Proportional to 11,347.90, 17,007.45 and 10,051.90

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Solution

The fourth proportional to 11,347.90, 17,007.45 and 10,051.90 is: 15,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.90 : 17,007.45 = 10,051.90 : x
  2. Step 2: Convert to fraction form
    11,347.90/17,007.45 = 10,051.90/x
  3. Step 3: Cross multiply
    11,347.90x = 17,007.45 × 10,051.90
  4. Step 4: Simplify right side
    11,347.90x = 170,957,186.66
  5. Step 5: Solve for x
    x = 170,957,186.66/11,347.90
  6. Step 6: Final answer
    x = 15,065.09

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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.