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Finding the Fourth Proportional to 29,457.98, 40,651.94 and 16,713.65

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Solution

The fourth proportional to 29,457.98, 40,651.94 and 16,713.65 is: 23,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,457.98 : 40,651.94 = 16,713.65 : x
  2. Step 2: Convert to fraction form
    29,457.98/40,651.94 = 16,713.65/x
  3. Step 3: Cross multiply
    29,457.98x = 40,651.94 × 16,713.65
  4. Step 4: Simplify right side
    29,457.98x = 679,442,532.82
  5. Step 5: Solve for x
    x = 679,442,532.82/29,457.98
  6. Step 6: Final answer
    x = 23,064.80

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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.