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Finding the Fourth Proportional to 68,800.79, 103,210.74 and 24,417

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Solution

The fourth proportional to 68,800.79, 103,210.74 and 24,417 is: 36,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,800.79 : 103,210.74 = 24,417 : x
  2. Step 2: Convert to fraction form
    68,800.79/103,210.74 = 24,417/x
  3. Step 3: Cross multiply
    68,800.79x = 103,210.74 × 24,417
  4. Step 4: Simplify right side
    68,800.79x = 2,520,096,638.58
  5. Step 5: Solve for x
    x = 2,520,096,638.58/68,800.79
  6. Step 6: Final answer
    x = 36,628.89

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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.