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Finding the Fourth Proportional to 38,653.24, 57,980.40 and 10,951.24

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Solution

The fourth proportional to 38,653.24, 57,980.40 and 10,951.24 is: 16,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.24 : 57,980.40 = 10,951.24 : x
  2. Step 2: Convert to fraction form
    38,653.24/57,980.40 = 10,951.24/x
  3. Step 3: Cross multiply
    38,653.24x = 57,980.40 × 10,951.24
  4. Step 4: Simplify right side
    38,653.24x = 634,957,275.70
  5. Step 5: Solve for x
    x = 634,957,275.70/38,653.24
  6. Step 6: Final answer
    x = 16,427.01

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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.