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Finding the Fourth Proportional to 37,967.40, 56,784.24 and 28,004.40

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Solution

The fourth proportional to 37,967.40, 56,784.24 and 28,004.40 is: 41,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,967.40 : 56,784.24 = 28,004.40 : x
  2. Step 2: Convert to fraction form
    37,967.40/56,784.24 = 28,004.40/x
  3. Step 3: Cross multiply
    37,967.40x = 56,784.24 × 28,004.40
  4. Step 4: Simplify right side
    37,967.40x = 1,590,208,570.66
  5. Step 5: Solve for x
    x = 1,590,208,570.66/37,967.40
  6. Step 6: Final answer
    x = 41,883.53

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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.