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Finding the Fourth Proportional to 29,646.84, 40,916.58 and 19,067.22

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Solution

The fourth proportional to 29,646.84, 40,916.58 and 19,067.22 is: 26,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,646.84 : 40,916.58 = 19,067.22 : x
  2. Step 2: Convert to fraction form
    29,646.84/40,916.58 = 19,067.22/x
  3. Step 3: Cross multiply
    29,646.84x = 40,916.58 × 19,067.22
  4. Step 4: Simplify right side
    29,646.84x = 780,165,432.51
  5. Step 5: Solve for x
    x = 780,165,432.51/29,646.84
  6. Step 6: Final answer
    x = 26,315.30

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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.