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Finding the Fourth Proportional to 58,871.54, 88,298.67 and 19,429.94

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Solution

The fourth proportional to 58,871.54, 88,298.67 and 19,429.94 is: 29,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,871.54 : 88,298.67 = 19,429.94 : x
  2. Step 2: Convert to fraction form
    58,871.54/88,298.67 = 19,429.94/x
  3. Step 3: Cross multiply
    58,871.54x = 88,298.67 × 19,429.94
  4. Step 4: Simplify right side
    58,871.54x = 1,715,637,860.18
  5. Step 5: Solve for x
    x = 1,715,637,860.18/58,871.54
  6. Step 6: Final answer
    x = 29,142.06

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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.