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Finding the Fourth Proportional to 58,503.17, 87,754.68 and 19,060.22

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Solution

The fourth proportional to 58,503.17, 87,754.68 and 19,060.22 is: 28,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,503.17 : 87,754.68 = 19,060.22 : x
  2. Step 2: Convert to fraction form
    58,503.17/87,754.68 = 19,060.22/x
  3. Step 3: Cross multiply
    58,503.17x = 87,754.68 × 19,060.22
  4. Step 4: Simplify right side
    58,503.17x = 1,672,623,506.83
  5. Step 5: Solve for x
    x = 1,672,623,506.83/58,503.17
  6. Step 6: Final answer
    x = 28,590.31

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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.