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Finding the Fourth Proportional to 29,458.80, 40,642.80 and 16,710.24

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Solution

The fourth proportional to 29,458.80, 40,642.80 and 16,710.24 is: 23,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,458.80 : 40,642.80 = 16,710.24 : x
  2. Step 2: Convert to fraction form
    29,458.80/40,642.80 = 16,710.24/x
  3. Step 3: Cross multiply
    29,458.80x = 40,642.80 × 16,710.24
  4. Step 4: Simplify right side
    29,458.80x = 679,150,942.27
  5. Step 5: Solve for x
    x = 679,150,942.27/29,458.80
  6. Step 6: Final answer
    x = 23,054.26

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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.