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Finding the Fourth Proportional to 58,755.89, 88,124.70 and 19,312.73

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Solution

The fourth proportional to 58,755.89, 88,124.70 and 19,312.73 is: 28,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,755.89 : 88,124.70 = 19,312.73 : x
  2. Step 2: Convert to fraction form
    58,755.89/88,124.70 = 19,312.73/x
  3. Step 3: Cross multiply
    58,755.89x = 88,124.70 × 19,312.73
  4. Step 4: Simplify right side
    58,755.89x = 1,701,928,096.81
  5. Step 5: Solve for x
    x = 1,701,928,096.81/58,755.89
  6. Step 6: Final answer
    x = 28,966.09

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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.