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Finding the Fourth Proportional to 2,915.36, 4,373.36 and 967.56

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Solution

The fourth proportional to 2,915.36, 4,373.36 and 967.56 is: 1,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.36 : 4,373.36 = 967.56 : x
  2. Step 2: Convert to fraction form
    2,915.36/4,373.36 = 967.56/x
  3. Step 3: Cross multiply
    2,915.36x = 4,373.36 × 967.56
  4. Step 4: Simplify right side
    2,915.36x = 4,231,483.36
  5. Step 5: Solve for x
    x = 4,231,483.36/2,915.36
  6. Step 6: Final answer
    x = 1,451.45

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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.