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Finding the Fourth Proportional to 46,806.30, 70,209.45 and 27,135.45

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Solution

The fourth proportional to 46,806.30, 70,209.45 and 27,135.45 is: 40,703.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,806.30 : 70,209.45 = 27,135.45 : x
  2. Step 2: Convert to fraction form
    46,806.30/70,209.45 = 27,135.45/x
  3. Step 3: Cross multiply
    46,806.30x = 70,209.45 × 27,135.45
  4. Step 4: Simplify right side
    46,806.30x = 1,905,165,020.00
  5. Step 5: Solve for x
    x = 1,905,165,020.00/46,806.30
  6. Step 6: Final answer
    x = 40,703.18

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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.