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Finding the Fourth Proportional to 12,982.78, 19,477.05 and 6,053.50

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Solution

The fourth proportional to 12,982.78, 19,477.05 and 6,053.50 is: 9,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,982.78 : 19,477.05 = 6,053.50 : x
  2. Step 2: Convert to fraction form
    12,982.78/19,477.05 = 6,053.50/x
  3. Step 3: Cross multiply
    12,982.78x = 19,477.05 × 6,053.50
  4. Step 4: Simplify right side
    12,982.78x = 117,904,322.18
  5. Step 5: Solve for x
    x = 117,904,322.18/12,982.78
  6. Step 6: Final answer
    x = 9,081.59

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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.