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Finding the Fourth Proportional to 25,690.00, 38,530.79 and 9,046.12

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Solution

The fourth proportional to 25,690.00, 38,530.79 and 9,046.12 is: 13,567.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,690.00 : 38,530.79 = 9,046.12 : x
  2. Step 2: Convert to fraction form
    25,690.00/38,530.79 = 9,046.12/x
  3. Step 3: Cross multiply
    25,690.00x = 38,530.79 × 9,046.12
  4. Step 4: Simplify right side
    25,690.00x = 348,554,076.32
  5. Step 5: Solve for x
    x = 348,554,076.32/25,690.00
  6. Step 6: Final answer
    x = 13,567.70

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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.