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Finding the Fourth Proportional to 25,383.44, 38,075.32 and 6,915.44

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Solution

The fourth proportional to 25,383.44, 38,075.32 and 6,915.44 is: 10,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.44 : 38,075.32 = 6,915.44 : x
  2. Step 2: Convert to fraction form
    25,383.44/38,075.32 = 6,915.44/x
  3. Step 3: Cross multiply
    25,383.44x = 38,075.32 × 6,915.44
  4. Step 4: Simplify right side
    25,383.44x = 263,307,590.94
  5. Step 5: Solve for x
    x = 263,307,590.94/25,383.44
  6. Step 6: Final answer
    x = 10,373.20

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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.