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Finding the Fourth Proportional to 30,294.60, 41,804.93 and 16,865.51

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Solution

The fourth proportional to 30,294.60, 41,804.93 and 16,865.51 is: 23,273.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,294.60 : 41,804.93 = 16,865.51 : x
  2. Step 2: Convert to fraction form
    30,294.60/41,804.93 = 16,865.51/x
  3. Step 3: Cross multiply
    30,294.60x = 41,804.93 × 16,865.51
  4. Step 4: Simplify right side
    30,294.60x = 705,061,171.61
  5. Step 5: Solve for x
    x = 705,061,171.61/30,294.60
  6. Step 6: Final answer
    x = 23,273.49

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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.