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Finding the Fourth Proportional to 29,397.94, 40,569.44 and 15,969.32

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Solution

The fourth proportional to 29,397.94, 40,569.44 and 15,969.32 is: 22,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,397.94 : 40,569.44 = 15,969.32 : x
  2. Step 2: Convert to fraction form
    29,397.94/40,569.44 = 15,969.32/x
  3. Step 3: Cross multiply
    29,397.94x = 40,569.44 × 15,969.32
  4. Step 4: Simplify right side
    29,397.94x = 647,866,369.58
  5. Step 5: Solve for x
    x = 647,866,369.58/29,397.94
  6. Step 6: Final answer
    x = 22,037.82

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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.