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Finding the Fourth Proportional to 11,368.89, 17,053.34 and 7,472.39

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Solution

The fourth proportional to 11,368.89, 17,053.34 and 7,472.39 is: 11,208.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.89 : 17,053.34 = 7,472.39 : x
  2. Step 2: Convert to fraction form
    11,368.89/17,053.34 = 7,472.39/x
  3. Step 3: Cross multiply
    11,368.89x = 17,053.34 × 7,472.39
  4. Step 4: Simplify right side
    11,368.89x = 127,429,084.65
  5. Step 5: Solve for x
    x = 127,429,084.65/11,368.89
  6. Step 6: Final answer
    x = 11,208.58

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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.