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Finding the Fourth Proportional to 25,384.10, 35,028.80 and 14,053.92

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Solution

The fourth proportional to 25,384.10, 35,028.80 and 14,053.92 is: 19,393.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,384.10 : 35,028.80 = 14,053.92 : x
  2. Step 2: Convert to fraction form
    25,384.10/35,028.80 = 14,053.92/x
  3. Step 3: Cross multiply
    25,384.10x = 35,028.80 × 14,053.92
  4. Step 4: Simplify right side
    25,384.10x = 492,291,882.63
  5. Step 5: Solve for x
    x = 492,291,882.63/25,384.10
  6. Step 6: Final answer
    x = 19,393.71

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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.