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Finding the Fourth Proportional to 18,574.93, 27,870.90 and 8,048.17

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Solution

The fourth proportional to 18,574.93, 27,870.90 and 8,048.17 is: 12,075.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.93 : 27,870.90 = 8,048.17 : x
  2. Step 2: Convert to fraction form
    18,574.93/27,870.90 = 8,048.17/x
  3. Step 3: Cross multiply
    18,574.93x = 27,870.90 × 8,048.17
  4. Step 4: Simplify right side
    18,574.93x = 224,309,741.25
  5. Step 5: Solve for x
    x = 224,309,741.25/18,574.93
  6. Step 6: Final answer
    x = 12,075.94

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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.