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Finding the Fourth Proportional to 53,610, 80,415.16 and 16,674

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Solution

The fourth proportional to 53,610, 80,415.16 and 16,674 is: 25,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,610 : 80,415.16 = 16,674 : x
  2. Step 2: Convert to fraction form
    53,610/80,415.16 = 16,674/x
  3. Step 3: Cross multiply
    53,610x = 80,415.16 × 16,674
  4. Step 4: Simplify right side
    53,610x = 1,340,842,377.84
  5. Step 5: Solve for x
    x = 1,340,842,377.84/53,610
  6. Step 6: Final answer
    x = 25,011.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.