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Finding the Fourth Proportional to 50,425.66, 75,629.86 and 16,681.28

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Solution

The fourth proportional to 50,425.66, 75,629.86 and 16,681.28 is: 25,019.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,425.66 : 75,629.86 = 16,681.28 : x
  2. Step 2: Convert to fraction form
    50,425.66/75,629.86 = 16,681.28/x
  3. Step 3: Cross multiply
    50,425.66x = 75,629.86 × 16,681.28
  4. Step 4: Simplify right side
    50,425.66x = 1,261,602,451.17
  5. Step 5: Solve for x
    x = 1,261,602,451.17/50,425.66
  6. Step 6: Final answer
    x = 25,019.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.