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Finding the Fourth Proportional to 31,339.52, 46,984.60 and 15,533.68

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Solution

The fourth proportional to 31,339.52, 46,984.60 and 15,533.68 is: 23,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.52 : 46,984.60 = 15,533.68 : x
  2. Step 2: Convert to fraction form
    31,339.52/46,984.60 = 15,533.68/x
  3. Step 3: Cross multiply
    31,339.52x = 46,984.60 × 15,533.68
  4. Step 4: Simplify right side
    31,339.52x = 729,843,741.33
  5. Step 5: Solve for x
    x = 729,843,741.33/31,339.52
  6. Step 6: Final answer
    x = 23,288.29

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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.