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Finding the Fourth Proportional to 12,035.57, 18,053.41 and 7,901.74

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Solution

The fourth proportional to 12,035.57, 18,053.41 and 7,901.74 is: 11,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.57 : 18,053.41 = 7,901.74 : x
  2. Step 2: Convert to fraction form
    12,035.57/18,053.41 = 7,901.74/x
  3. Step 3: Cross multiply
    12,035.57x = 18,053.41 × 7,901.74
  4. Step 4: Simplify right side
    12,035.57x = 142,653,245.79
  5. Step 5: Solve for x
    x = 142,653,245.79/12,035.57
  6. Step 6: Final answer
    x = 11,852.64

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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.