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Finding the Fourth Proportional to 62,500, 93,764.32 and 18,130.32

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Solution

The fourth proportional to 62,500, 93,764.32 and 18,130.32 is: 27,199.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,500 : 93,764.32 = 18,130.32 : x
  2. Step 2: Convert to fraction form
    62,500/93,764.32 = 18,130.32/x
  3. Step 3: Cross multiply
    62,500x = 93,764.32 × 18,130.32
  4. Step 4: Simplify right side
    62,500x = 1,699,977,126.18
  5. Step 5: Solve for x
    x = 1,699,977,126.18/62,500
  6. Step 6: Final answer
    x = 27,199.63

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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.