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Finding the Fourth Proportional to 35,008.65, 48,310.02 and 19,899.21

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Solution

The fourth proportional to 35,008.65, 48,310.02 and 19,899.21 is: 27,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,008.65 : 48,310.02 = 19,899.21 : x
  2. Step 2: Convert to fraction form
    35,008.65/48,310.02 = 19,899.21/x
  3. Step 3: Cross multiply
    35,008.65x = 48,310.02 × 19,899.21
  4. Step 4: Simplify right side
    35,008.65x = 961,331,233.08
  5. Step 5: Solve for x
    x = 961,331,233.08/35,008.65
  6. Step 6: Final answer
    x = 27,459.82

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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.