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Finding the Fourth Proportional to 30,273.51, 41,798.04 and 18,947.58

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Solution

The fourth proportional to 30,273.51, 41,798.04 and 18,947.58 is: 26,160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.51 : 41,798.04 = 18,947.58 : x
  2. Step 2: Convert to fraction form
    30,273.51/41,798.04 = 18,947.58/x
  3. Step 3: Cross multiply
    30,273.51x = 41,798.04 × 18,947.58
  4. Step 4: Simplify right side
    30,273.51x = 791,971,706.74
  5. Step 5: Solve for x
    x = 791,971,706.74/30,273.51
  6. Step 6: Final answer
    x = 26,160.55

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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.