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Finding the Fourth Proportional to 65,969.93, 98,952.46 and 28,539.42

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Solution

The fourth proportional to 65,969.93, 98,952.46 and 28,539.42 is: 42,808.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,969.93 : 98,952.46 = 28,539.42 : x
  2. Step 2: Convert to fraction form
    65,969.93/98,952.46 = 28,539.42/x
  3. Step 3: Cross multiply
    65,969.93x = 98,952.46 × 28,539.42
  4. Step 4: Simplify right side
    65,969.93x = 2,824,045,744.62
  5. Step 5: Solve for x
    x = 2,824,045,744.62/65,969.93
  6. Step 6: Final answer
    x = 42,808.08

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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.