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Finding the Fourth Proportional to 21,662.92, 32,475.18 and 10,563.40

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Solution

The fourth proportional to 21,662.92, 32,475.18 and 10,563.40 is: 15,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,662.92 : 32,475.18 = 10,563.40 : x
  2. Step 2: Convert to fraction form
    21,662.92/32,475.18 = 10,563.40/x
  3. Step 3: Cross multiply
    21,662.92x = 32,475.18 × 10,563.40
  4. Step 4: Simplify right side
    21,662.92x = 343,048,316.41
  5. Step 5: Solve for x
    x = 343,048,316.41/21,662.92
  6. Step 6: Final answer
    x = 15,835.74

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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.