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Finding the Fourth Proportional to 27,851.10, 41,779.08 and 10,321.08

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Solution

The fourth proportional to 27,851.10, 41,779.08 and 10,321.08 is: 15,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,851.10 : 41,779.08 = 10,321.08 : x
  2. Step 2: Convert to fraction form
    27,851.10/41,779.08 = 10,321.08/x
  3. Step 3: Cross multiply
    27,851.10x = 41,779.08 × 10,321.08
  4. Step 4: Simplify right side
    27,851.10x = 431,205,227.01
  5. Step 5: Solve for x
    x = 431,205,227.01/27,851.10
  6. Step 6: Final answer
    x = 15,482.52

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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.