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Finding the Fourth Proportional to 34,866.48, 48,115.81 and 18,950.89

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Solution

The fourth proportional to 34,866.48, 48,115.81 and 18,950.89 is: 26,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,866.48 : 48,115.81 = 18,950.89 : x
  2. Step 2: Convert to fraction form
    34,866.48/48,115.81 = 18,950.89/x
  3. Step 3: Cross multiply
    34,866.48x = 48,115.81 × 18,950.89
  4. Step 4: Simplify right side
    34,866.48x = 911,837,375.19
  5. Step 5: Solve for x
    x = 911,837,375.19/34,866.48
  6. Step 6: Final answer
    x = 26,152.26

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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.