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Finding the Fourth Proportional to 34,044, 46,980.72 and 28,053.60

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Solution

The fourth proportional to 34,044, 46,980.72 and 28,053.60 is: 38,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,044 : 46,980.72 = 28,053.60 : x
  2. Step 2: Convert to fraction form
    34,044/46,980.72 = 28,053.60/x
  3. Step 3: Cross multiply
    34,044x = 46,980.72 × 28,053.60
  4. Step 4: Simplify right side
    34,044x = 1,317,978,326.59
  5. Step 5: Solve for x
    x = 1,317,978,326.59/34,044
  6. Step 6: Final answer
    x = 38,713.97

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Why These Related Problems?

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