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Finding the Fourth Proportional to 27,253, 40,640.99 and 27,003.88

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Solution

The fourth proportional to 27,253, 40,640.99 and 27,003.88 is: 40,269.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,253 : 40,640.99 = 27,003.88 : x
  2. Step 2: Convert to fraction form
    27,253/40,640.99 = 27,003.88/x
  3. Step 3: Cross multiply
    27,253x = 40,640.99 × 27,003.88
  4. Step 4: Simplify right side
    27,253x = 1,097,464,417.04
  5. Step 5: Solve for x
    x = 1,097,464,417.04/27,253
  6. Step 6: Final answer
    x = 40,269.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.