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Finding the Fourth Proportional to 58,455.93, 87,694.20 and 19,006.08

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Solution

The fourth proportional to 58,455.93, 87,694.20 and 19,006.08 is: 28,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,455.93 : 87,694.20 = 19,006.08 : x
  2. Step 2: Convert to fraction form
    58,455.93/87,694.20 = 19,006.08/x
  3. Step 3: Cross multiply
    58,455.93x = 87,694.20 × 19,006.08
  4. Step 4: Simplify right side
    58,455.93x = 1,666,722,980.74
  5. Step 5: Solve for x
    x = 1,666,722,980.74/58,455.93
  6. Step 6: Final answer
    x = 28,512.47

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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.