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Finding the Fourth Proportional to 16,466.19, 24,693.09 and 5,220.21

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Solution

The fourth proportional to 16,466.19, 24,693.09 and 5,220.21 is: 7,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,466.19 : 24,693.09 = 5,220.21 : x
  2. Step 2: Convert to fraction form
    16,466.19/24,693.09 = 5,220.21/x
  3. Step 3: Cross multiply
    16,466.19x = 24,693.09 × 5,220.21
  4. Step 4: Simplify right side
    16,466.19x = 128,903,188.37
  5. Step 5: Solve for x
    x = 128,903,188.37/16,466.19
  6. Step 6: Final answer
    x = 7,828.36

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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.