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Finding the Fourth Proportional to 29,415.88, 40,593.72 and 16,840.63

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Solution

The fourth proportional to 29,415.88, 40,593.72 and 16,840.63 is: 23,239.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.88 : 40,593.72 = 16,840.63 : x
  2. Step 2: Convert to fraction form
    29,415.88/40,593.72 = 16,840.63/x
  3. Step 3: Cross multiply
    29,415.88x = 40,593.72 × 16,840.63
  4. Step 4: Simplify right side
    29,415.88x = 683,623,818.84
  5. Step 5: Solve for x
    x = 683,623,818.84/29,415.88
  6. Step 6: Final answer
    x = 23,239.96

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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.