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Finding the Fourth Proportional to 25,673.45, 35,429.34 and 14,495.45

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Solution

The fourth proportional to 25,673.45, 35,429.34 and 14,495.45 is: 20,003.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.45 : 35,429.34 = 14,495.45 : x
  2. Step 2: Convert to fraction form
    25,673.45/35,429.34 = 14,495.45/x
  3. Step 3: Cross multiply
    25,673.45x = 35,429.34 × 14,495.45
  4. Step 4: Simplify right side
    25,673.45x = 513,564,049.36
  5. Step 5: Solve for x
    x = 513,564,049.36/25,673.45
  6. Step 6: Final answer
    x = 20,003.71

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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.