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Finding the Fourth Proportional to 58,661.69, 88,008.94 and 19,246.49

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Solution

The fourth proportional to 58,661.69, 88,008.94 and 19,246.49 is: 28,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,661.69 : 88,008.94 = 19,246.49 : x
  2. Step 2: Convert to fraction form
    58,661.69/88,008.94 = 19,246.49/x
  3. Step 3: Cross multiply
    58,661.69x = 88,008.94 × 19,246.49
  4. Step 4: Simplify right side
    58,661.69x = 1,693,862,791.69
  5. Step 5: Solve for x
    x = 1,693,862,791.69/58,661.69
  6. Step 6: Final answer
    x = 28,875.11

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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.