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Finding the Fourth Proportional to 30,762.91, 46,129.92 and 18,284.59

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Solution

The fourth proportional to 30,762.91, 46,129.92 and 18,284.59 is: 27,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.91 : 46,129.92 = 18,284.59 : x
  2. Step 2: Convert to fraction form
    30,762.91/46,129.92 = 18,284.59/x
  3. Step 3: Cross multiply
    30,762.91x = 46,129.92 × 18,284.59
  4. Step 4: Simplify right side
    30,762.91x = 843,466,673.93
  5. Step 5: Solve for x
    x = 843,466,673.93/30,762.91
  6. Step 6: Final answer
    x = 27,418.30

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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.