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Finding the Fourth Proportional to 29,661.77, 40,937.85 and 16,914.98

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Solution

The fourth proportional to 29,661.77, 40,937.85 and 16,914.98 is: 23,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.77 : 40,937.85 = 16,914.98 : x
  2. Step 2: Convert to fraction form
    29,661.77/40,937.85 = 16,914.98/x
  3. Step 3: Cross multiply
    29,661.77x = 40,937.85 × 16,914.98
  4. Step 4: Simplify right side
    29,661.77x = 692,463,016.34
  5. Step 5: Solve for x
    x = 692,463,016.34/29,661.77
  6. Step 6: Final answer
    x = 23,345.30

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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.