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Finding the Fourth Proportional to 25,673.02, 38,509.25 and 7,903.64

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Solution

The fourth proportional to 25,673.02, 38,509.25 and 7,903.64 is: 11,855.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.02 : 38,509.25 = 7,903.64 : x
  2. Step 2: Convert to fraction form
    25,673.02/38,509.25 = 7,903.64/x
  3. Step 3: Cross multiply
    25,673.02x = 38,509.25 × 7,903.64
  4. Step 4: Simplify right side
    25,673.02x = 304,363,305.42
  5. Step 5: Solve for x
    x = 304,363,305.42/25,673.02
  6. Step 6: Final answer
    x = 11,855.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.