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Finding the Fourth Proportional to 19,384.92, 29,053.92 and 8,840.51

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Solution

The fourth proportional to 19,384.92, 29,053.92 and 8,840.51 is: 13,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.92 : 29,053.92 = 8,840.51 : x
  2. Step 2: Convert to fraction form
    19,384.92/29,053.92 = 8,840.51/x
  3. Step 3: Cross multiply
    19,384.92x = 29,053.92 × 8,840.51
  4. Step 4: Simplify right side
    19,384.92x = 256,851,325.03
  5. Step 5: Solve for x
    x = 256,851,325.03/19,384.92
  6. Step 6: Final answer
    x = 13,250.06

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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.