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Finding the Fourth Proportional to 35,479.79, 48,960.10 and 22,050.70

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Solution

The fourth proportional to 35,479.79, 48,960.10 and 22,050.70 is: 30,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.79 : 48,960.10 = 22,050.70 : x
  2. Step 2: Convert to fraction form
    35,479.79/48,960.10 = 22,050.70/x
  3. Step 3: Cross multiply
    35,479.79x = 48,960.10 × 22,050.70
  4. Step 4: Simplify right side
    35,479.79x = 1,079,604,477.07
  5. Step 5: Solve for x
    x = 1,079,604,477.07/35,479.79
  6. Step 6: Final answer
    x = 30,428.72

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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.