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Finding the Fourth Proportional to 9,476.68, 14,197.98 and 5,578.96

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Solution

The fourth proportional to 9,476.68, 14,197.98 and 5,578.96 is: 8,358.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,476.68 : 14,197.98 = 5,578.96 : x
  2. Step 2: Convert to fraction form
    9,476.68/14,197.98 = 5,578.96/x
  3. Step 3: Cross multiply
    9,476.68x = 14,197.98 × 5,578.96
  4. Step 4: Simplify right side
    9,476.68x = 79,209,962.50
  5. Step 5: Solve for x
    x = 79,209,962.50/9,476.68
  6. Step 6: Final answer
    x = 8,358.41

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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.