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Finding the Fourth Proportional to 60,590.25, 90,903.74 and 31,029.03

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Solution

The fourth proportional to 60,590.25, 90,903.74 and 31,029.03 is: 46,552.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,590.25 : 90,903.74 = 31,029.03 : x
  2. Step 2: Convert to fraction form
    60,590.25/90,903.74 = 31,029.03/x
  3. Step 3: Cross multiply
    60,590.25x = 90,903.74 × 31,029.03
  4. Step 4: Simplify right side
    60,590.25x = 2,820,654,720.43
  5. Step 5: Solve for x
    x = 2,820,654,720.43/60,590.25
  6. Step 6: Final answer
    x = 46,552.95

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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.