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Finding the Fourth Proportional to 25,448.69, 35,119.13 and 14,119.91

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Solution

The fourth proportional to 25,448.69, 35,119.13 and 14,119.91 is: 19,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.69 : 35,119.13 = 14,119.91 : x
  2. Step 2: Convert to fraction form
    25,448.69/35,119.13 = 14,119.91/x
  3. Step 3: Cross multiply
    25,448.69x = 35,119.13 × 14,119.91
  4. Step 4: Simplify right side
    25,448.69x = 495,878,814.58
  5. Step 5: Solve for x
    x = 495,878,814.58/25,448.69
  6. Step 6: Final answer
    x = 19,485.43

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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.