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Finding the Fourth Proportional to 51,352.29, 70,866.27 and 28,996.29

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Solution

The fourth proportional to 51,352.29, 70,866.27 and 28,996.29 is: 40,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,352.29 : 70,866.27 = 28,996.29 : x
  2. Step 2: Convert to fraction form
    51,352.29/70,866.27 = 28,996.29/x
  3. Step 3: Cross multiply
    51,352.29x = 70,866.27 × 28,996.29
  4. Step 4: Simplify right side
    51,352.29x = 2,054,858,916.14
  5. Step 5: Solve for x
    x = 2,054,858,916.14/51,352.29
  6. Step 6: Final answer
    x = 40,014.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.