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Finding the Fourth Proportional to 21,684.57, 32,529.03 and 5,889.84

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Solution

The fourth proportional to 21,684.57, 32,529.03 and 5,889.84 is: 8,835.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.57 : 32,529.03 = 5,889.84 : x
  2. Step 2: Convert to fraction form
    21,684.57/32,529.03 = 5,889.84/x
  3. Step 3: Cross multiply
    21,684.57x = 32,529.03 × 5,889.84
  4. Step 4: Simplify right side
    21,684.57x = 191,590,782.06
  5. Step 5: Solve for x
    x = 191,590,782.06/21,684.57
  6. Step 6: Final answer
    x = 8,835.35

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1.5x scale

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.