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Finding the Fourth Proportional to 29,551.76, 40,781.23 and 16,804.94

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Solution

The fourth proportional to 29,551.76, 40,781.23 and 16,804.94 is: 23,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,551.76 : 40,781.23 = 16,804.94 : x
  2. Step 2: Convert to fraction form
    29,551.76/40,781.23 = 16,804.94/x
  3. Step 3: Cross multiply
    29,551.76x = 40,781.23 × 16,804.94
  4. Step 4: Simplify right side
    29,551.76x = 685,326,123.28
  5. Step 5: Solve for x
    x = 685,326,123.28/29,551.76
  6. Step 6: Final answer
    x = 23,190.70

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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.