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Finding the Fourth Proportional to 43,492.84, 65,263.92 and 18,530.26

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Solution

The fourth proportional to 43,492.84, 65,263.92 and 18,530.26 is: 27,805.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,492.84 : 65,263.92 = 18,530.26 : x
  2. Step 2: Convert to fraction form
    43,492.84/65,263.92 = 18,530.26/x
  3. Step 3: Cross multiply
    43,492.84x = 65,263.92 × 18,530.26
  4. Step 4: Simplify right side
    43,492.84x = 1,209,357,406.22
  5. Step 5: Solve for x
    x = 1,209,357,406.22/43,492.84
  6. Step 6: Final answer
    x = 27,805.90

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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.