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Finding the Fourth Proportional to 33,779, 46,615.02 and 18,875

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Solution

The fourth proportional to 33,779, 46,615.02 and 18,875 is: 26,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,779 : 46,615.02 = 18,875 : x
  2. Step 2: Convert to fraction form
    33,779/46,615.02 = 18,875/x
  3. Step 3: Cross multiply
    33,779x = 46,615.02 × 18,875
  4. Step 4: Simplify right side
    33,779x = 879,858,502.50
  5. Step 5: Solve for x
    x = 879,858,502.50/33,779
  6. Step 6: Final answer
    x = 26,047.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.