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Finding the Fourth Proportional to 34,795.10, 48,017.03 and 18,879.21

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Solution

The fourth proportional to 34,795.10, 48,017.03 and 18,879.21 is: 26,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,795.10 : 48,017.03 = 18,879.21 : x
  2. Step 2: Convert to fraction form
    34,795.10/48,017.03 = 18,879.21/x
  3. Step 3: Cross multiply
    34,795.10x = 48,017.03 × 18,879.21
  4. Step 4: Simplify right side
    34,795.10x = 906,523,498.55
  5. Step 5: Solve for x
    x = 906,523,498.55/34,795.10
  6. Step 6: Final answer
    x = 26,053.20

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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.