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Finding the Fourth Proportional to 25,283.32, 37,928.94 and 7,751.32

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Solution

The fourth proportional to 25,283.32, 37,928.94 and 7,751.32 is: 11,628.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,283.32 : 37,928.94 = 7,751.32 : x
  2. Step 2: Convert to fraction form
    25,283.32/37,928.94 = 7,751.32/x
  3. Step 3: Cross multiply
    25,283.32x = 37,928.94 × 7,751.32
  4. Step 4: Simplify right side
    25,283.32x = 293,999,351.20
  5. Step 5: Solve for x
    x = 293,999,351.20/25,283.32
  6. Step 6: Final answer
    x = 11,628.19

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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.