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Finding the Fourth Proportional to 40,966.84, 61,448.71 and 16,950.50

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Solution

The fourth proportional to 40,966.84, 61,448.71 and 16,950.50 is: 25,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,966.84 : 61,448.71 = 16,950.50 : x
  2. Step 2: Convert to fraction form
    40,966.84/61,448.71 = 16,950.50/x
  3. Step 3: Cross multiply
    40,966.84x = 61,448.71 × 16,950.50
  4. Step 4: Simplify right side
    40,966.84x = 1,041,586,274.10
  5. Step 5: Solve for x
    x = 1,041,586,274.10/40,966.84
  6. Step 6: Final answer
    x = 25,425.11

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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.