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Finding the Fourth Proportional to 34,865.44, 48,114.48 and 18,950.20

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Solution

The fourth proportional to 34,865.44, 48,114.48 and 18,950.20 is: 26,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.44 : 48,114.48 = 18,950.20 : x
  2. Step 2: Convert to fraction form
    34,865.44/48,114.48 = 18,950.20/x
  3. Step 3: Cross multiply
    34,865.44x = 48,114.48 × 18,950.20
  4. Step 4: Simplify right side
    34,865.44x = 911,779,018.90
  5. Step 5: Solve for x
    x = 911,779,018.90/34,865.44
  6. Step 6: Final answer
    x = 26,151.37

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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.