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Finding the Fourth Proportional to 18,051.95, 27,085.62 and 9,293.01

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Solution

The fourth proportional to 18,051.95, 27,085.62 and 9,293.01 is: 13,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.95 : 27,085.62 = 9,293.01 : x
  2. Step 2: Convert to fraction form
    18,051.95/27,085.62 = 9,293.01/x
  3. Step 3: Cross multiply
    18,051.95x = 27,085.62 × 9,293.01
  4. Step 4: Simplify right side
    18,051.95x = 251,706,937.52
  5. Step 5: Solve for x
    x = 251,706,937.52/18,051.95
  6. Step 6: Final answer
    x = 13,943.48

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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.