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Finding the Fourth Proportional to 17,761,036.55, 26,641,554.83 and 17,761,036.55

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Solution

The fourth proportional to 17,761,036.55, 26,641,554.83 and 17,761,036.55 is: 26,641,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,761,036.55 : 26,641,554.83 = 17,761,036.55 : x
  2. Step 2: Convert to fraction form
    17,761,036.55/26,641,554.83 = 17,761,036.55/x
  3. Step 3: Cross multiply
    17,761,036.55x = 26,641,554.83 × 17,761,036.55
  4. Step 4: Simplify right side
    17,761,036.55x = 473,181,628,995,653.88
  5. Step 5: Solve for x
    x = 473,181,628,995,653.88/17,761,036.55
  6. Step 6: Final answer
    x = 26,641,554.83

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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.