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Finding the Fourth Proportional to 19,602.04, 27,050.34 and 11,218

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Solution

The fourth proportional to 19,602.04, 27,050.34 and 11,218 is: 15,480.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,602.04 : 27,050.34 = 11,218 : x
  2. Step 2: Convert to fraction form
    19,602.04/27,050.34 = 11,218/x
  3. Step 3: Cross multiply
    19,602.04x = 27,050.34 × 11,218
  4. Step 4: Simplify right side
    19,602.04x = 303,450,714.12
  5. Step 5: Solve for x
    x = 303,450,714.12/19,602.04
  6. Step 6: Final answer
    x = 15,480.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.