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Finding the Fourth Proportional to 58,505.69, 87,767.65 and 19,053.63

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Solution

The fourth proportional to 58,505.69, 87,767.65 and 19,053.63 is: 28,583.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,505.69 : 87,767.65 = 19,053.63 : x
  2. Step 2: Convert to fraction form
    58,505.69/87,767.65 = 19,053.63/x
  3. Step 3: Cross multiply
    58,505.69x = 87,767.65 × 19,053.63
  4. Step 4: Simplify right side
    58,505.69x = 1,672,292,352.89
  5. Step 5: Solve for x
    x = 1,672,292,352.89/58,505.69
  6. Step 6: Final answer
    x = 28,583.41

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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.