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Finding the Fourth Proportional to 57,881.02, 86,828.55 and 16,328.02

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Solution

The fourth proportional to 57,881.02, 86,828.55 and 16,328.02 is: 24,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,881.02 : 86,828.55 = 16,328.02 : x
  2. Step 2: Convert to fraction form
    57,881.02/86,828.55 = 16,328.02/x
  3. Step 3: Cross multiply
    57,881.02x = 86,828.55 × 16,328.02
  4. Step 4: Simplify right side
    57,881.02x = 1,417,738,300.97
  5. Step 5: Solve for x
    x = 1,417,738,300.97/57,881.02
  6. Step 6: Final answer
    x = 24,494.01

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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.