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Finding the Fourth Proportional to 43,546, 60,106.31 and 28,440.99

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Solution

The fourth proportional to 43,546, 60,106.31 and 28,440.99 is: 39,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,546 : 60,106.31 = 28,440.99 : x
  2. Step 2: Convert to fraction form
    43,546/60,106.31 = 28,440.99/x
  3. Step 3: Cross multiply
    43,546x = 60,106.31 × 28,440.99
  4. Step 4: Simplify right side
    43,546x = 1,709,482,961.65
  5. Step 5: Solve for x
    x = 1,709,482,961.65/43,546
  6. Step 6: Final answer
    x = 39,256.95

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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.