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Finding the Fourth Proportional to 58,488.45, 87,744.53 and 19,034.97

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Solution

The fourth proportional to 58,488.45, 87,744.53 and 19,034.97 is: 28,556.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,488.45 : 87,744.53 = 19,034.97 : x
  2. Step 2: Convert to fraction form
    58,488.45/87,744.53 = 19,034.97/x
  3. Step 3: Cross multiply
    58,488.45x = 87,744.53 × 19,034.97
  4. Step 4: Simplify right side
    58,488.45x = 1,670,214,620.40
  5. Step 5: Solve for x
    x = 1,670,214,620.40/58,488.45
  6. Step 6: Final answer
    x = 28,556.31

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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.