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Finding the Fourth Proportional to 25,059.99, 34,576.70 and 13,881.99

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Solution

The fourth proportional to 25,059.99, 34,576.70 and 13,881.99 is: 19,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,059.99 : 34,576.70 = 13,881.99 : x
  2. Step 2: Convert to fraction form
    25,059.99/34,576.70 = 13,881.99/x
  3. Step 3: Cross multiply
    25,059.99x = 34,576.70 × 13,881.99
  4. Step 4: Simplify right side
    25,059.99x = 479,993,334.22
  5. Step 5: Solve for x
    x = 479,993,334.22/25,059.99
  6. Step 6: Final answer
    x = 19,153.77

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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.