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Finding the Fourth Proportional to 27,300.65, 40,950.98 and 7,579.20

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Solution

The fourth proportional to 27,300.65, 40,950.98 and 7,579.20 is: 11,368.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,300.65 : 40,950.98 = 7,579.20 : x
  2. Step 2: Convert to fraction form
    27,300.65/40,950.98 = 7,579.20/x
  3. Step 3: Cross multiply
    27,300.65x = 40,950.98 × 7,579.20
  4. Step 4: Simplify right side
    27,300.65x = 310,375,629.72
  5. Step 5: Solve for x
    x = 310,375,629.72/27,300.65
  6. Step 6: Final answer
    x = 11,368.80

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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.