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Finding the Fourth Proportional to 51,292.01, 70,782.71 and 28,629.69

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Solution

The fourth proportional to 51,292.01, 70,782.71 and 28,629.69 is: 39,508.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,292.01 : 70,782.71 = 28,629.69 : x
  2. Step 2: Convert to fraction form
    51,292.01/70,782.71 = 28,629.69/x
  3. Step 3: Cross multiply
    51,292.01x = 70,782.71 × 28,629.69
  4. Step 4: Simplify right side
    51,292.01x = 2,026,486,901.51
  5. Step 5: Solve for x
    x = 2,026,486,901.51/51,292.01
  6. Step 6: Final answer
    x = 39,508.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.