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Finding the Fourth Proportional to 27,903.40, 41,841.90 and 16,220.20

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Solution

The fourth proportional to 27,903.40, 41,841.90 and 16,220.20 is: 24,322.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,903.40 : 41,841.90 = 16,220.20 : x
  2. Step 2: Convert to fraction form
    27,903.40/41,841.90 = 16,220.20/x
  3. Step 3: Cross multiply
    27,903.40x = 41,841.90 × 16,220.20
  4. Step 4: Simplify right side
    27,903.40x = 678,683,986.38
  5. Step 5: Solve for x
    x = 678,683,986.38/27,903.40
  6. Step 6: Final answer
    x = 24,322.63

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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.