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Finding the Fourth Proportional to 30,906.64, 46,368.29 and 15,905.59

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Solution

The fourth proportional to 30,906.64, 46,368.29 and 15,905.59 is: 23,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,906.64 : 46,368.29 = 15,905.59 : x
  2. Step 2: Convert to fraction form
    30,906.64/46,368.29 = 15,905.59/x
  3. Step 3: Cross multiply
    30,906.64x = 46,368.29 × 15,905.59
  4. Step 4: Simplify right side
    30,906.64x = 737,514,698.37
  5. Step 5: Solve for x
    x = 737,514,698.37/30,906.64
  6. Step 6: Final answer
    x = 23,862.66

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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.