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Finding the Fourth Proportional to 18,376.23, 27,569.57 and 9,019.06

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Solution

The fourth proportional to 18,376.23, 27,569.57 and 9,019.06 is: 13,531.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.23 : 27,569.57 = 9,019.06 : x
  2. Step 2: Convert to fraction form
    18,376.23/27,569.57 = 9,019.06/x
  3. Step 3: Cross multiply
    18,376.23x = 27,569.57 × 9,019.06
  4. Step 4: Simplify right side
    18,376.23x = 248,651,606.00
  5. Step 5: Solve for x
    x = 248,651,606.00/18,376.23
  6. Step 6: Final answer
    x = 13,531.15

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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.