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Finding the Fourth Proportional to 8,995.41, 13,484.88 and 3,148.83

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Solution

The fourth proportional to 8,995.41, 13,484.88 and 3,148.83 is: 4,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,995.41 : 13,484.88 = 3,148.83 : x
  2. Step 2: Convert to fraction form
    8,995.41/13,484.88 = 3,148.83/x
  3. Step 3: Cross multiply
    8,995.41x = 13,484.88 × 3,148.83
  4. Step 4: Simplify right side
    8,995.41x = 42,461,594.69
  5. Step 5: Solve for x
    x = 42,461,594.69/8,995.41
  6. Step 6: Final answer
    x = 4,720.36

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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.