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Finding the Fourth Proportional to 9,167.12, 13,750.68 and 3,323.72

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Solution

The fourth proportional to 9,167.12, 13,750.68 and 3,323.72 is: 4,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.12 : 13,750.68 = 3,323.72 : x
  2. Step 2: Convert to fraction form
    9,167.12/13,750.68 = 3,323.72/x
  3. Step 3: Cross multiply
    9,167.12x = 13,750.68 × 3,323.72
  4. Step 4: Simplify right side
    9,167.12x = 45,703,410.13
  5. Step 5: Solve for x
    x = 45,703,410.13/9,167.12
  6. Step 6: Final answer
    x = 4,985.58

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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.