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Finding the Fourth Proportional to 30,567.68, 45,850.88 and 9,789.44

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Solution

The fourth proportional to 30,567.68, 45,850.88 and 9,789.44 is: 14,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,567.68 : 45,850.88 = 9,789.44 : x
  2. Step 2: Convert to fraction form
    30,567.68/45,850.88 = 9,789.44/x
  3. Step 3: Cross multiply
    30,567.68x = 45,850.88 × 9,789.44
  4. Step 4: Simplify right side
    30,567.68x = 448,854,438.71
  5. Step 5: Solve for x
    x = 448,854,438.71/30,567.68
  6. Step 6: Final answer
    x = 14,683.96

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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.