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Finding the Fourth Proportional to 29,386.38, 40,541.67 and 16,804.38

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Solution

The fourth proportional to 29,386.38, 40,541.67 and 16,804.38 is: 23,183.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,386.38 : 40,541.67 = 16,804.38 : x
  2. Step 2: Convert to fraction form
    29,386.38/40,541.67 = 16,804.38/x
  3. Step 3: Cross multiply
    29,386.38x = 40,541.67 × 16,804.38
  4. Step 4: Simplify right side
    29,386.38x = 681,277,628.51
  5. Step 5: Solve for x
    x = 681,277,628.51/29,386.38
  6. Step 6: Final answer
    x = 23,183.45

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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.