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Finding the Fourth Proportional to 62,184.69, 85,828.71 and 39,519.26

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Solution

The fourth proportional to 62,184.69, 85,828.71 and 39,519.26 is: 54,545.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,184.69 : 85,828.71 = 39,519.26 : x
  2. Step 2: Convert to fraction form
    62,184.69/85,828.71 = 39,519.26/x
  3. Step 3: Cross multiply
    62,184.69x = 85,828.71 × 39,519.26
  4. Step 4: Simplify right side
    62,184.69x = 3,391,886,676.81
  5. Step 5: Solve for x
    x = 3,391,886,676.81/62,184.69
  6. Step 6: Final answer
    x = 54,545.37

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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.