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Finding the Fourth Proportional to 58,806.24, 81,156.24 and 33,655.20

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Solution

The fourth proportional to 58,806.24, 81,156.24 and 33,655.20 is: 46,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,806.24 : 81,156.24 = 33,655.20 : x
  2. Step 2: Convert to fraction form
    58,806.24/81,156.24 = 33,655.20/x
  3. Step 3: Cross multiply
    58,806.24x = 81,156.24 × 33,655.20
  4. Step 4: Simplify right side
    58,806.24x = 2,731,329,488.45
  5. Step 5: Solve for x
    x = 2,731,329,488.45/58,806.24
  6. Step 6: Final answer
    x = 46,446.25

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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.