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Finding the Fourth Proportional to 29,607.65, 40,858.48 and 16,178.99

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Solution

The fourth proportional to 29,607.65, 40,858.48 and 16,178.99 is: 22,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,607.65 : 40,858.48 = 16,178.99 : x
  2. Step 2: Convert to fraction form
    29,607.65/40,858.48 = 16,178.99/x
  3. Step 3: Cross multiply
    29,607.65x = 40,858.48 × 16,178.99
  4. Step 4: Simplify right side
    29,607.65x = 661,048,894.09
  5. Step 5: Solve for x
    x = 661,048,894.09/29,607.65
  6. Step 6: Final answer
    x = 22,326.96

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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.