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Finding the Fourth Proportional to 18,038.14, 27,066.90 and 8,804.14

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Solution

The fourth proportional to 18,038.14, 27,066.90 and 8,804.14 is: 13,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.14 : 27,066.90 = 8,804.14 : x
  2. Step 2: Convert to fraction form
    18,038.14/27,066.90 = 8,804.14/x
  3. Step 3: Cross multiply
    18,038.14x = 27,066.90 × 8,804.14
  4. Step 4: Simplify right side
    18,038.14x = 238,300,776.97
  5. Step 5: Solve for x
    x = 238,300,776.97/18,038.14
  6. Step 6: Final answer
    x = 13,210.94

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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.