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Finding the Fourth Proportional to 58,141.17, 87,266.22 and 28,580.22

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Solution

The fourth proportional to 58,141.17, 87,266.22 and 28,580.22 is: 42,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,141.17 : 87,266.22 = 28,580.22 : x
  2. Step 2: Convert to fraction form
    58,141.17/87,266.22 = 28,580.22/x
  3. Step 3: Cross multiply
    58,141.17x = 87,266.22 × 28,580.22
  4. Step 4: Simplify right side
    58,141.17x = 2,494,087,766.17
  5. Step 5: Solve for x
    x = 2,494,087,766.17/58,141.17
  6. Step 6: Final answer
    x = 42,897.10

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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.