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Finding the Fourth Proportional to 4,450.48, 6,636.48 and 4,148.92

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Solution

The fourth proportional to 4,450.48, 6,636.48 and 4,148.92 is: 6,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.48 : 6,636.48 = 4,148.92 : x
  2. Step 2: Convert to fraction form
    4,450.48/6,636.48 = 4,148.92/x
  3. Step 3: Cross multiply
    4,450.48x = 6,636.48 × 4,148.92
  4. Step 4: Simplify right side
    4,450.48x = 27,534,224.60
  5. Step 5: Solve for x
    x = 27,534,224.60/4,450.48
  6. Step 6: Final answer
    x = 6,186.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.