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Finding the Fourth Proportional to 27,280.33, 40,920.33 and 7,017.06

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Solution

The fourth proportional to 27,280.33, 40,920.33 and 7,017.06 is: 10,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,280.33 : 40,920.33 = 7,017.06 : x
  2. Step 2: Convert to fraction form
    27,280.33/40,920.33 = 7,017.06/x
  3. Step 3: Cross multiply
    27,280.33x = 40,920.33 × 7,017.06
  4. Step 4: Simplify right side
    27,280.33x = 287,140,206.23
  5. Step 5: Solve for x
    x = 287,140,206.23/27,280.33
  6. Step 6: Final answer
    x = 10,525.54

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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.