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Finding the Fourth Proportional to 35,693.03, 53,539.66 and 9,039

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Solution

The fourth proportional to 35,693.03, 53,539.66 and 9,039 is: 13,558.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,693.03 : 53,539.66 = 9,039 : x
  2. Step 2: Convert to fraction form
    35,693.03/53,539.66 = 9,039/x
  3. Step 3: Cross multiply
    35,693.03x = 53,539.66 × 9,039
  4. Step 4: Simplify right side
    35,693.03x = 483,944,964.14
  5. Step 5: Solve for x
    x = 483,944,964.14/35,693.03
  6. Step 6: Final answer
    x = 13,558.53

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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.