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Finding the Fourth Proportional to 12,029, 18,042.08 and 4,628.24

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Solution

The fourth proportional to 12,029, 18,042.08 and 4,628.24 is: 6,941.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029 : 18,042.08 = 4,628.24 : x
  2. Step 2: Convert to fraction form
    12,029/18,042.08 = 4,628.24/x
  3. Step 3: Cross multiply
    12,029x = 18,042.08 × 4,628.24
  4. Step 4: Simplify right side
    12,029x = 83,502,986.13
  5. Step 5: Solve for x
    x = 83,502,986.13/12,029
  6. Step 6: Final answer
    x = 6,941.81

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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.