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Finding the Fourth Proportional to 44,693.16, 67,048.38 and 16,989

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Solution

The fourth proportional to 44,693.16, 67,048.38 and 16,989 is: 25,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,693.16 : 67,048.38 = 16,989 : x
  2. Step 2: Convert to fraction form
    44,693.16/67,048.38 = 16,989/x
  3. Step 3: Cross multiply
    44,693.16x = 67,048.38 × 16,989
  4. Step 4: Simplify right side
    44,693.16x = 1,139,084,927.82
  5. Step 5: Solve for x
    x = 1,139,084,927.82/44,693.16
  6. Step 6: Final answer
    x = 25,486.78

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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.