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Finding the Fourth Proportional to 29,250.84, 40,365.96 and 15,821.96

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Solution

The fourth proportional to 29,250.84, 40,365.96 and 15,821.96 is: 21,834.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,250.84 : 40,365.96 = 15,821.96 : x
  2. Step 2: Convert to fraction form
    29,250.84/40,365.96 = 15,821.96/x
  3. Step 3: Cross multiply
    29,250.84x = 40,365.96 × 15,821.96
  4. Step 4: Simplify right side
    29,250.84x = 638,668,604.48
  5. Step 5: Solve for x
    x = 638,668,604.48/29,250.84
  6. Step 6: Final answer
    x = 21,834.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.