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Finding the Fourth Proportional to 17,579,062.80, 26,364,657.60 and 11,556,064.80

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Solution

The fourth proportional to 17,579,062.80, 26,364,657.60 and 11,556,064.80 is: 17,331,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,579,062.80 : 26,364,657.60 = 11,556,064.80 : x
  2. Step 2: Convert to fraction form
    17,579,062.80/26,364,657.60 = 11,556,064.80/x
  3. Step 3: Cross multiply
    17,579,062.80x = 26,364,657.60 × 11,556,064.80
  4. Step 4: Simplify right side
    17,579,062.80x = 304,671,691,655,412.50
  5. Step 5: Solve for x
    x = 304,671,691,655,412.50/17,579,062.80
  6. Step 6: Final answer
    x = 17,331,509.37

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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.