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Finding the Fourth Proportional to 56,478.71, 84,714.06 and 26,499.53

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Solution

The fourth proportional to 56,478.71, 84,714.06 and 26,499.53 is: 39,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,478.71 : 84,714.06 = 26,499.53 : x
  2. Step 2: Convert to fraction form
    56,478.71/84,714.06 = 26,499.53/x
  3. Step 3: Cross multiply
    56,478.71x = 84,714.06 × 26,499.53
  4. Step 4: Simplify right side
    56,478.71x = 2,244,882,774.39
  5. Step 5: Solve for x
    x = 2,244,882,774.39/56,478.71
  6. Step 6: Final answer
    x = 39,747.42

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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.