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Finding the Fourth Proportional to 33,972, 46,886.96 and 18,869.55

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Solution

The fourth proportional to 33,972, 46,886.96 and 18,869.55 is: 26,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,972 : 46,886.96 = 18,869.55 : x
  2. Step 2: Convert to fraction form
    33,972/46,886.96 = 18,869.55/x
  3. Step 3: Cross multiply
    33,972x = 46,886.96 × 18,869.55
  4. Step 4: Simplify right side
    33,972x = 884,735,741.72
  5. Step 5: Solve for x
    x = 884,735,741.72/33,972
  6. Step 6: Final answer
    x = 26,043.09

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1.5x scale

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.