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Finding the Fourth Proportional to 25,226.64, 37,784.84 and 20,794.32

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Solution

The fourth proportional to 25,226.64, 37,784.84 and 20,794.32 is: 31,146.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,226.64 : 37,784.84 = 20,794.32 : x
  2. Step 2: Convert to fraction form
    25,226.64/37,784.84 = 20,794.32/x
  3. Step 3: Cross multiply
    25,226.64x = 37,784.84 × 20,794.32
  4. Step 4: Simplify right side
    25,226.64x = 785,710,054.11
  5. Step 5: Solve for x
    x = 785,710,054.11/25,226.64
  6. Step 6: Final answer
    x = 31,146.04

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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.