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Finding the Fourth Proportional to 58,907.72, 88,342.86 and 19,457.48

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Solution

The fourth proportional to 58,907.72, 88,342.86 and 19,457.48 is: 29,180.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,907.72 : 88,342.86 = 19,457.48 : x
  2. Step 2: Convert to fraction form
    58,907.72/88,342.86 = 19,457.48/x
  3. Step 3: Cross multiply
    58,907.72x = 88,342.86 × 19,457.48
  4. Step 4: Simplify right side
    58,907.72x = 1,718,929,431.59
  5. Step 5: Solve for x
    x = 1,718,929,431.59/58,907.72
  6. Step 6: Final answer
    x = 29,180.04

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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.