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Finding the Fourth Proportional to 27,269.64, 40,904.46 and 7,548.21

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Solution

The fourth proportional to 27,269.64, 40,904.46 and 7,548.21 is: 11,322.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,269.64 : 40,904.46 = 7,548.21 : x
  2. Step 2: Convert to fraction form
    27,269.64/40,904.46 = 7,548.21/x
  3. Step 3: Cross multiply
    27,269.64x = 40,904.46 × 7,548.21
  4. Step 4: Simplify right side
    27,269.64x = 308,755,454.02
  5. Step 5: Solve for x
    x = 308,755,454.02/27,269.64
  6. Step 6: Final answer
    x = 11,322.32

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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.