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Finding the Fourth Proportional to 27,269.80, 40,904.70 and 27,075.40

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Solution

The fourth proportional to 27,269.80, 40,904.70 and 27,075.40 is: 40,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269.80 : 40,904.70 = 27,075.40 : x
  2. Step 2: Convert to fraction form
    27,269.80/40,904.70 = 27,075.40/x
  3. Step 3: Cross multiply
    27,269.80x = 40,904.70 × 27,075.40
  4. Step 4: Simplify right side
    27,269.80x = 1,107,511,114.38
  5. Step 5: Solve for x
    x = 1,107,511,114.38/27,269.80
  6. Step 6: Final answer
    x = 40,613.10

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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.