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Finding the Fourth Proportional to 21,363.70, 32,065.24 and 10,841.12

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Solution

The fourth proportional to 21,363.70, 32,065.24 and 10,841.12 is: 16,271.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.70 : 32,065.24 = 10,841.12 : x
  2. Step 2: Convert to fraction form
    21,363.70/32,065.24 = 10,841.12/x
  3. Step 3: Cross multiply
    21,363.70x = 32,065.24 × 10,841.12
  4. Step 4: Simplify right side
    21,363.70x = 347,623,114.67
  5. Step 5: Solve for x
    x = 347,623,114.67/21,363.70
  6. Step 6: Final answer
    x = 16,271.67

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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.