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Finding the Fourth Proportional to 65,352.64, 98,045.40 and 18,605.56

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Solution

The fourth proportional to 65,352.64, 98,045.40 and 18,605.56 is: 27,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.64 : 98,045.40 = 18,605.56 : x
  2. Step 2: Convert to fraction form
    65,352.64/98,045.40 = 18,605.56/x
  3. Step 3: Cross multiply
    65,352.64x = 98,045.40 × 18,605.56
  4. Step 4: Simplify right side
    65,352.64x = 1,824,189,572.42
  5. Step 5: Solve for x
    x = 1,824,189,572.42/65,352.64
  6. Step 6: Final answer
    x = 27,913.02

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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.