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Finding the Fourth Proportional to 58,456.48, 87,702 and 16,903.84

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Solution

The fourth proportional to 58,456.48, 87,702 and 16,903.84 is: 25,360.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,456.48 : 87,702 = 16,903.84 : x
  2. Step 2: Convert to fraction form
    58,456.48/87,702 = 16,903.84/x
  3. Step 3: Cross multiply
    58,456.48x = 87,702 × 16,903.84
  4. Step 4: Simplify right side
    58,456.48x = 1,482,500,575.68
  5. Step 5: Solve for x
    x = 1,482,500,575.68/58,456.48
  6. Step 6: Final answer
    x = 25,360.76

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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.