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Finding the Fourth Proportional to 77,907.52, 116,889.09 and 25,317.19

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Solution

The fourth proportional to 77,907.52, 116,889.09 and 25,317.19 is: 37,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,907.52 : 116,889.09 = 25,317.19 : x
  2. Step 2: Convert to fraction form
    77,907.52/116,889.09 = 25,317.19/x
  3. Step 3: Cross multiply
    77,907.52x = 116,889.09 × 25,317.19
  4. Step 4: Simplify right side
    77,907.52x = 2,959,302,589.43
  5. Step 5: Solve for x
    x = 2,959,302,589.43/77,907.52
  6. Step 6: Final answer
    x = 37,984.82

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1.5x scale

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.