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Finding the Fourth Proportional to 63,171.50, 94,725.52 and 21,036.70

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Solution

The fourth proportional to 63,171.50, 94,725.52 and 21,036.70 is: 31,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,171.50 : 94,725.52 = 21,036.70 : x
  2. Step 2: Convert to fraction form
    63,171.50/94,725.52 = 21,036.70/x
  3. Step 3: Cross multiply
    63,171.50x = 94,725.52 × 21,036.70
  4. Step 4: Simplify right side
    63,171.50x = 1,992,712,346.58
  5. Step 5: Solve for x
    x = 1,992,712,346.58/63,171.50
  6. Step 6: Final answer
    x = 31,544.48

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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.