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Finding the Fourth Proportional to 57,985,525.69, 86,978,813.45 and 17,596,009.69

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Solution

The fourth proportional to 57,985,525.69, 86,978,813.45 and 17,596,009.69 is: 26,394,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,985,525.69 : 86,978,813.45 = 17,596,009.69 : x
  2. Step 2: Convert to fraction form
    57,985,525.69/86,978,813.45 = 17,596,009.69/x
  3. Step 3: Cross multiply
    57,985,525.69x = 86,978,813.45 × 17,596,009.69
  4. Step 4: Simplify right side
    57,985,525.69x = 1,530,480,043,985,475
  5. Step 5: Solve for x
    x = 1,530,480,043,985,475/57,985,525.69
  6. Step 6: Final answer
    x = 26,394,173.82

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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.