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Finding the Fourth Proportional to 43,750.72, 65,548.32 and 25,030

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Solution

The fourth proportional to 43,750.72, 65,548.32 and 25,030 is: 37,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,750.72 : 65,548.32 = 25,030 : x
  2. Step 2: Convert to fraction form
    43,750.72/65,548.32 = 25,030/x
  3. Step 3: Cross multiply
    43,750.72x = 65,548.32 × 25,030
  4. Step 4: Simplify right side
    43,750.72x = 1,640,674,449.60
  5. Step 5: Solve for x
    x = 1,640,674,449.60/43,750.72
  6. Step 6: Final answer
    x = 37,500.51

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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.