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Finding the Fourth Proportional to 18,053.60, 27,074.93 and 6,959.43

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Solution

The fourth proportional to 18,053.60, 27,074.93 and 6,959.43 is: 10,437.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.60 : 27,074.93 = 6,959.43 : x
  2. Step 2: Convert to fraction form
    18,053.60/27,074.93 = 6,959.43/x
  3. Step 3: Cross multiply
    18,053.60x = 27,074.93 × 6,959.43
  4. Step 4: Simplify right side
    18,053.60x = 188,426,045.29
  5. Step 5: Solve for x
    x = 188,426,045.29/18,053.60
  6. Step 6: Final answer
    x = 10,437.04

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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.