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Finding the Fourth Proportional to 35,005.65, 48,310.67 and 19,903.05

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Solution

The fourth proportional to 35,005.65, 48,310.67 and 19,903.05 is: 27,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,005.65 : 48,310.67 = 19,903.05 : x
  2. Step 2: Convert to fraction form
    35,005.65/48,310.67 = 19,903.05/x
  3. Step 3: Cross multiply
    35,005.65x = 48,310.67 × 19,903.05
  4. Step 4: Simplify right side
    35,005.65x = 961,529,911.47
  5. Step 5: Solve for x
    x = 961,529,911.47/35,005.65
  6. Step 6: Final answer
    x = 27,467.85

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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.