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Finding the Fourth Proportional to 25,522.72, 38,284.80 and 7,054.72

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Solution

The fourth proportional to 25,522.72, 38,284.80 and 7,054.72 is: 10,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,522.72 : 38,284.80 = 7,054.72 : x
  2. Step 2: Convert to fraction form
    25,522.72/38,284.80 = 7,054.72/x
  3. Step 3: Cross multiply
    25,522.72x = 38,284.80 × 7,054.72
  4. Step 4: Simplify right side
    25,522.72x = 270,088,544.26
  5. Step 5: Solve for x
    x = 270,088,544.26/25,522.72
  6. Step 6: Final answer
    x = 10,582.28

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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.