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Finding the Fourth Proportional to 29,341.94, 40,491.15 and 16,765.88

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Solution

The fourth proportional to 29,341.94, 40,491.15 and 16,765.88 is: 23,136.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,341.94 : 40,491.15 = 16,765.88 : x
  2. Step 2: Convert to fraction form
    29,341.94/40,491.15 = 16,765.88/x
  3. Step 3: Cross multiply
    29,341.94x = 40,491.15 × 16,765.88
  4. Step 4: Simplify right side
    29,341.94x = 678,869,559.51
  5. Step 5: Solve for x
    x = 678,869,559.51/29,341.94
  6. Step 6: Final answer
    x = 23,136.50

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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.