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Finding the Fourth Proportional to 25,494.64, 38,235.44 and 7,955.44

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Solution

The fourth proportional to 25,494.64, 38,235.44 and 7,955.44 is: 11,931.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,494.64 : 38,235.44 = 7,955.44 : x
  2. Step 2: Convert to fraction form
    25,494.64/38,235.44 = 7,955.44/x
  3. Step 3: Cross multiply
    25,494.64x = 38,235.44 × 7,955.44
  4. Step 4: Simplify right side
    25,494.64x = 304,179,748.79
  5. Step 5: Solve for x
    x = 304,179,748.79/25,494.64
  6. Step 6: Final answer
    x = 11,931.13

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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.