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Finding the Fourth Proportional to 29,471.60, 40,670.04 and 16,043.12

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Solution

The fourth proportional to 29,471.60, 40,670.04 and 16,043.12 is: 22,139.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.60 : 40,670.04 = 16,043.12 : x
  2. Step 2: Convert to fraction form
    29,471.60/40,670.04 = 16,043.12/x
  3. Step 3: Cross multiply
    29,471.60x = 40,670.04 × 16,043.12
  4. Step 4: Simplify right side
    29,471.60x = 652,474,332.12
  5. Step 5: Solve for x
    x = 652,474,332.12/29,471.60
  6. Step 6: Final answer
    x = 22,139.09

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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.