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Finding the Fourth Proportional to 65,888.88, 98,822.18 and 18,493.10

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Solution

The fourth proportional to 65,888.88, 98,822.18 and 18,493.10 is: 27,736.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,888.88 : 98,822.18 = 18,493.10 : x
  2. Step 2: Convert to fraction form
    65,888.88/98,822.18 = 18,493.10/x
  3. Step 3: Cross multiply
    65,888.88x = 98,822.18 × 18,493.10
  4. Step 4: Simplify right side
    65,888.88x = 1,827,528,009.08
  5. Step 5: Solve for x
    x = 1,827,528,009.08/65,888.88
  6. Step 6: Final answer
    x = 27,736.52

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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.