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Finding the Fourth Proportional to 48,703, 67,210.20 and 26,347

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Solution

The fourth proportional to 48,703, 67,210.20 and 26,347 is: 36,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,703 : 67,210.20 = 26,347 : x
  2. Step 2: Convert to fraction form
    48,703/67,210.20 = 26,347/x
  3. Step 3: Cross multiply
    48,703x = 67,210.20 × 26,347
  4. Step 4: Simplify right side
    48,703x = 1,770,787,139.40
  5. Step 5: Solve for x
    x = 1,770,787,139.40/48,703
  6. Step 6: Final answer
    x = 36,358.89

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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.