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Finding the Fourth Proportional to 40,784.44, 61,179.90 and 17,411.08

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Solution

The fourth proportional to 40,784.44, 61,179.90 and 17,411.08 is: 26,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,784.44 : 61,179.90 = 17,411.08 : x
  2. Step 2: Convert to fraction form
    40,784.44/61,179.90 = 17,411.08/x
  3. Step 3: Cross multiply
    40,784.44x = 61,179.90 × 17,411.08
  4. Step 4: Simplify right side
    40,784.44x = 1,065,208,133.29
  5. Step 5: Solve for x
    x = 1,065,208,133.29/40,784.44
  6. Step 6: Final answer
    x = 26,118.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.