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Finding the Fourth Proportional to 58,985.22, 81,515.22 and 52,424.22

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Solution

The fourth proportional to 58,985.22, 81,515.22 and 52,424.22 is: 72,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,985.22 : 81,515.22 = 52,424.22 : x
  2. Step 2: Convert to fraction form
    58,985.22/81,515.22 = 52,424.22/x
  3. Step 3: Cross multiply
    58,985.22x = 81,515.22 × 52,424.22
  4. Step 4: Simplify right side
    58,985.22x = 4,273,371,826.63
  5. Step 5: Solve for x
    x = 4,273,371,826.63/58,985.22
  6. Step 6: Final answer
    x = 72,448.18

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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.