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Finding the Fourth Proportional to 43,806.84, 65,710.25 and 10,526.90

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Solution

The fourth proportional to 43,806.84, 65,710.25 and 10,526.90 is: 15,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,806.84 : 65,710.25 = 10,526.90 : x
  2. Step 2: Convert to fraction form
    43,806.84/65,710.25 = 10,526.90/x
  3. Step 3: Cross multiply
    43,806.84x = 65,710.25 × 10,526.90
  4. Step 4: Simplify right side
    43,806.84x = 691,725,381.84
  5. Step 5: Solve for x
    x = 691,725,381.84/43,806.84
  6. Step 6: Final answer
    x = 15,790.35

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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.