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Finding the Fourth Proportional to 59,798.78, 81,924.73 and 57,556.70

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Solution

The fourth proportional to 59,798.78, 81,924.73 and 57,556.70 is: 78,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,798.78 : 81,924.73 = 57,556.70 : x
  2. Step 2: Convert to fraction form
    59,798.78/81,924.73 = 57,556.70/x
  3. Step 3: Cross multiply
    59,798.78x = 81,924.73 × 57,556.70
  4. Step 4: Simplify right side
    59,798.78x = 4,715,317,107.19
  5. Step 5: Solve for x
    x = 4,715,317,107.19/59,798.78
  6. Step 6: Final answer
    x = 78,853.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.