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Finding the Fourth Proportional to 29,574.51, 40,811.09 and 16,999.26

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Solution

The fourth proportional to 29,574.51, 40,811.09 and 16,999.26 is: 23,457.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,574.51 : 40,811.09 = 16,999.26 : x
  2. Step 2: Convert to fraction form
    29,574.51/40,811.09 = 16,999.26/x
  3. Step 3: Cross multiply
    29,574.51x = 40,811.09 × 16,999.26
  4. Step 4: Simplify right side
    29,574.51x = 693,758,244.80
  5. Step 5: Solve for x
    x = 693,758,244.80/29,574.51
  6. Step 6: Final answer
    x = 23,457.98

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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.