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Finding the Fourth Proportional to 40,246.84, 60,376.02 and 12,547

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Solution

The fourth proportional to 40,246.84, 60,376.02 and 12,547 is: 18,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,246.84 : 60,376.02 = 12,547 : x
  2. Step 2: Convert to fraction form
    40,246.84/60,376.02 = 12,547/x
  3. Step 3: Cross multiply
    40,246.84x = 60,376.02 × 12,547
  4. Step 4: Simplify right side
    40,246.84x = 757,537,922.94
  5. Step 5: Solve for x
    x = 757,537,922.94/40,246.84
  6. Step 6: Final answer
    x = 18,822.30

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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.