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Finding the Fourth Proportional to 35,071.76, 48,387.02 and 19,960.65

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Solution

The fourth proportional to 35,071.76, 48,387.02 and 19,960.65 is: 27,538.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,071.76 : 48,387.02 = 19,960.65 : x
  2. Step 2: Convert to fraction form
    35,071.76/48,387.02 = 19,960.65/x
  3. Step 3: Cross multiply
    35,071.76x = 48,387.02 × 19,960.65
  4. Step 4: Simplify right side
    35,071.76x = 965,836,270.96
  5. Step 5: Solve for x
    x = 965,836,270.96/35,071.76
  6. Step 6: Final answer
    x = 27,538.86

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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.