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Finding the Fourth Proportional to 62,810, 94,228.88 and 20,703.04

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Solution

The fourth proportional to 62,810, 94,228.88 and 20,703.04 is: 31,059.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,810 : 94,228.88 = 20,703.04 : x
  2. Step 2: Convert to fraction form
    62,810/94,228.88 = 20,703.04/x
  3. Step 3: Cross multiply
    62,810x = 94,228.88 × 20,703.04
  4. Step 4: Simplify right side
    62,810x = 1,950,824,271.80
  5. Step 5: Solve for x
    x = 1,950,824,271.80/62,810
  6. Step 6: Final answer
    x = 31,059.14

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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.