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Finding the Fourth Proportional to 21,993.71, 32,927.63 and 14,583.42

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Solution

The fourth proportional to 21,993.71, 32,927.63 and 14,583.42 is: 21,833.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,993.71 : 32,927.63 = 14,583.42 : x
  2. Step 2: Convert to fraction form
    21,993.71/32,927.63 = 14,583.42/x
  3. Step 3: Cross multiply
    21,993.71x = 32,927.63 × 14,583.42
  4. Step 4: Simplify right side
    21,993.71x = 480,197,384.98
  5. Step 5: Solve for x
    x = 480,197,384.98/21,993.71
  6. Step 6: Final answer
    x = 21,833.40

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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.