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Finding the Fourth Proportional to 56,624.48, 84,936.72 and 25,423.28

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Solution

The fourth proportional to 56,624.48, 84,936.72 and 25,423.28 is: 38,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,624.48 : 84,936.72 = 25,423.28 : x
  2. Step 2: Convert to fraction form
    56,624.48/84,936.72 = 25,423.28/x
  3. Step 3: Cross multiply
    56,624.48x = 84,936.72 × 25,423.28
  4. Step 4: Simplify right side
    56,624.48x = 2,159,370,014.84
  5. Step 5: Solve for x
    x = 2,159,370,014.84/56,624.48
  6. Step 6: Final answer
    x = 38,134.92

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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.