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Finding the Fourth Proportional to 9,993.35, 14,966.67 and 7,899.30

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Solution

The fourth proportional to 9,993.35, 14,966.67 and 7,899.30 is: 11,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.35 : 14,966.67 = 7,899.30 : x
  2. Step 2: Convert to fraction form
    9,993.35/14,966.67 = 7,899.30/x
  3. Step 3: Cross multiply
    9,993.35x = 14,966.67 × 7,899.30
  4. Step 4: Simplify right side
    9,993.35x = 118,226,216.33
  5. Step 5: Solve for x
    x = 118,226,216.33/9,993.35
  6. Step 6: Final answer
    x = 11,830.49

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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.