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Finding the Fourth Proportional to 56,276.74, 84,432.03 and 16,835.14

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Solution

The fourth proportional to 56,276.74, 84,432.03 and 16,835.14 is: 25,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,276.74 : 84,432.03 = 16,835.14 : x
  2. Step 2: Convert to fraction form
    56,276.74/84,432.03 = 16,835.14/x
  3. Step 3: Cross multiply
    56,276.74x = 84,432.03 × 16,835.14
  4. Step 4: Simplify right side
    56,276.74x = 1,421,425,045.53
  5. Step 5: Solve for x
    x = 1,421,425,045.53/56,276.74
  6. Step 6: Final answer
    x = 25,257.77

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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.