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Finding the Fourth Proportional to 4,609.52, 6,915.48 and 1,322.88

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Solution

The fourth proportional to 4,609.52, 6,915.48 and 1,322.88 is: 1,984.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.52 : 6,915.48 = 1,322.88 : x
  2. Step 2: Convert to fraction form
    4,609.52/6,915.48 = 1,322.88/x
  3. Step 3: Cross multiply
    4,609.52x = 6,915.48 × 1,322.88
  4. Step 4: Simplify right side
    4,609.52x = 9,148,350.18
  5. Step 5: Solve for x
    x = 9,148,350.18/4,609.52
  6. Step 6: Final answer
    x = 1,984.66

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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.