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Finding the Fourth Proportional to 2,915.54, 4,373.99 and 967.74

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Solution

The fourth proportional to 2,915.54, 4,373.99 and 967.74 is: 1,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915.54 : 4,373.99 = 967.74 : x
  2. Step 2: Convert to fraction form
    2,915.54/4,373.99 = 967.74/x
  3. Step 3: Cross multiply
    2,915.54x = 4,373.99 × 967.74
  4. Step 4: Simplify right side
    2,915.54x = 4,232,880.24
  5. Step 5: Solve for x
    x = 4,232,880.24/2,915.54
  6. Step 6: Final answer
    x = 1,451.84

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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.