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Finding the Fourth Proportional to 46,692.70, 69,929.70 and 31,821.10

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Solution

The fourth proportional to 46,692.70, 69,929.70 and 31,821.10 is: 47,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,692.70 : 69,929.70 = 31,821.10 : x
  2. Step 2: Convert to fraction form
    46,692.70/69,929.70 = 31,821.10/x
  3. Step 3: Cross multiply
    46,692.70x = 69,929.70 × 31,821.10
  4. Step 4: Simplify right side
    46,692.70x = 2,225,239,976.67
  5. Step 5: Solve for x
    x = 2,225,239,976.67/46,692.70
  6. Step 6: Final answer
    x = 47,657.13

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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.