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Finding the Fourth Proportional to 65,585.84, 98,447.88 and 30,559.28

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Solution

The fourth proportional to 65,585.84, 98,447.88 and 30,559.28 is: 45,871.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,585.84 : 98,447.88 = 30,559.28 : x
  2. Step 2: Convert to fraction form
    65,585.84/98,447.88 = 30,559.28/x
  3. Step 3: Cross multiply
    65,585.84x = 98,447.88 × 30,559.28
  4. Step 4: Simplify right side
    65,585.84x = 3,008,496,330.33
  5. Step 5: Solve for x
    x = 3,008,496,330.33/65,585.84
  6. Step 6: Final answer
    x = 45,871.13

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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.