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Finding the Fourth Proportional to 18,860.30, 26,027.65 and 10,362.95

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Solution

The fourth proportional to 18,860.30, 26,027.65 and 10,362.95 is: 14,301.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,860.30 : 26,027.65 = 10,362.95 : x
  2. Step 2: Convert to fraction form
    18,860.30/26,027.65 = 10,362.95/x
  3. Step 3: Cross multiply
    18,860.30x = 26,027.65 × 10,362.95
  4. Step 4: Simplify right side
    18,860.30x = 269,723,235.57
  5. Step 5: Solve for x
    x = 269,723,235.57/18,860.30
  6. Step 6: Final answer
    x = 14,301.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.