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Finding the Fourth Proportional to 29,699.15, 40,984.32 and 16,953.03

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Solution

The fourth proportional to 29,699.15, 40,984.32 and 16,953.03 is: 23,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,699.15 : 40,984.32 = 16,953.03 : x
  2. Step 2: Convert to fraction form
    29,699.15/40,984.32 = 16,953.03/x
  3. Step 3: Cross multiply
    29,699.15x = 40,984.32 × 16,953.03
  4. Step 4: Simplify right side
    29,699.15x = 694,808,406.49
  5. Step 5: Solve for x
    x = 694,808,406.49/29,699.15
  6. Step 6: Final answer
    x = 23,394.90

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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.