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Finding the Fourth Proportional to 58,858.94, 88,299.27 and 19,418.78

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Solution

The fourth proportional to 58,858.94, 88,299.27 and 19,418.78 is: 29,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,858.94 : 88,299.27 = 19,418.78 : x
  2. Step 2: Convert to fraction form
    58,858.94/88,299.27 = 19,418.78/x
  3. Step 3: Cross multiply
    58,858.94x = 88,299.27 × 19,418.78
  4. Step 4: Simplify right side
    58,858.94x = 1,714,664,098.29
  5. Step 5: Solve for x
    x = 1,714,664,098.29/58,858.94
  6. Step 6: Final answer
    x = 29,131.75

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1.5x scale

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.