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Finding the Fourth Proportional to 25,066.99, 34,586.35 and 13,888.99

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Solution

The fourth proportional to 25,066.99, 34,586.35 and 13,888.99 is: 19,163.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,066.99 : 34,586.35 = 13,888.99 : x
  2. Step 2: Convert to fraction form
    25,066.99/34,586.35 = 13,888.99/x
  3. Step 3: Cross multiply
    25,066.99x = 34,586.35 × 13,888.99
  4. Step 4: Simplify right side
    25,066.99x = 480,369,469.29
  5. Step 5: Solve for x
    x = 480,369,469.29/25,066.99
  6. Step 6: Final answer
    x = 19,163.43

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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.