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Finding the Fourth Proportional to 56,062.98, 84,109.59 and 18,629.10

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Solution

The fourth proportional to 56,062.98, 84,109.59 and 18,629.10 is: 27,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,062.98 : 84,109.59 = 18,629.10 : x
  2. Step 2: Convert to fraction form
    56,062.98/84,109.59 = 18,629.10/x
  3. Step 3: Cross multiply
    56,062.98x = 84,109.59 × 18,629.10
  4. Step 4: Simplify right side
    56,062.98x = 1,566,885,963.07
  5. Step 5: Solve for x
    x = 1,566,885,963.07/56,062.98
  6. Step 6: Final answer
    x = 27,948.67

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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.