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Finding the Fourth Proportional to 28,937, 43,405.46 and 19,004.44

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Solution

The fourth proportional to 28,937, 43,405.46 and 19,004.44 is: 28,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937 : 43,405.46 = 19,004.44 : x
  2. Step 2: Convert to fraction form
    28,937/43,405.46 = 19,004.44/x
  3. Step 3: Cross multiply
    28,937x = 43,405.46 × 19,004.44
  4. Step 4: Simplify right side
    28,937x = 824,896,460.24
  5. Step 5: Solve for x
    x = 824,896,460.24/28,937
  6. Step 6: Final answer
    x = 28,506.63

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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.