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Finding the Fourth Proportional to 12,035.31, 18,053.01 and 7,901.48

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Solution

The fourth proportional to 12,035.31, 18,053.01 and 7,901.48 is: 11,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.31 : 18,053.01 = 7,901.48 : x
  2. Step 2: Convert to fraction form
    12,035.31/18,053.01 = 7,901.48/x
  3. Step 3: Cross multiply
    12,035.31x = 18,053.01 × 7,901.48
  4. Step 4: Simplify right side
    12,035.31x = 142,645,407.19
  5. Step 5: Solve for x
    x = 142,645,407.19/12,035.31
  6. Step 6: Final answer
    x = 11,852.24

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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.