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Finding the Fourth Proportional to 22,521.92, 33,777.68 and 8,483.40

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Solution

The fourth proportional to 22,521.92, 33,777.68 and 8,483.40 is: 12,723.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,521.92 : 33,777.68 = 8,483.40 : x
  2. Step 2: Convert to fraction form
    22,521.92/33,777.68 = 8,483.40/x
  3. Step 3: Cross multiply
    22,521.92x = 33,777.68 × 8,483.40
  4. Step 4: Simplify right side
    22,521.92x = 286,549,528.10
  5. Step 5: Solve for x
    x = 286,549,528.10/22,521.92
  6. Step 6: Final answer
    x = 12,723.14

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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.