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Finding the Fourth Proportional to 60,693.30, 91,039.80 and 16,320.05

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Solution

The fourth proportional to 60,693.30, 91,039.80 and 16,320.05 is: 24,480.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,693.30 : 91,039.80 = 16,320.05 : x
  2. Step 2: Convert to fraction form
    60,693.30/91,039.80 = 16,320.05/x
  3. Step 3: Cross multiply
    60,693.30x = 91,039.80 × 16,320.05
  4. Step 4: Simplify right side
    60,693.30x = 1,485,773,943.59
  5. Step 5: Solve for x
    x = 1,485,773,943.59/60,693.30
  6. Step 6: Final answer
    x = 24,480.03

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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.