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Finding the Fourth Proportional to 29,573.32, 40,808.73 and 16,823.11

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Solution

The fourth proportional to 29,573.32, 40,808.73 and 16,823.11 is: 23,214.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,573.32 : 40,808.73 = 16,823.11 : x
  2. Step 2: Convert to fraction form
    29,573.32/40,808.73 = 16,823.11/x
  3. Step 3: Cross multiply
    29,573.32x = 40,808.73 × 16,823.11
  4. Step 4: Simplify right side
    29,573.32x = 686,529,753.75
  5. Step 5: Solve for x
    x = 686,529,753.75/29,573.32
  6. Step 6: Final answer
    x = 23,214.50

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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.