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Finding the Fourth Proportional to 12,048.66, 16,630.65 and 7,341.48

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Solution

The fourth proportional to 12,048.66, 16,630.65 and 7,341.48 is: 10,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.66 : 16,630.65 = 7,341.48 : x
  2. Step 2: Convert to fraction form
    12,048.66/16,630.65 = 7,341.48/x
  3. Step 3: Cross multiply
    12,048.66x = 16,630.65 × 7,341.48
  4. Step 4: Simplify right side
    12,048.66x = 122,093,584.36
  5. Step 5: Solve for x
    x = 122,093,584.36/12,048.66
  6. Step 6: Final answer
    x = 10,133.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.