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Finding the Fourth Proportional to 29,000.84, 40,019.82 and 16,425.68

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Solution

The fourth proportional to 29,000.84, 40,019.82 and 16,425.68 is: 22,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,000.84 : 40,019.82 = 16,425.68 : x
  2. Step 2: Convert to fraction form
    29,000.84/40,019.82 = 16,425.68/x
  3. Step 3: Cross multiply
    29,000.84x = 40,019.82 × 16,425.68
  4. Step 4: Simplify right side
    29,000.84x = 657,352,756.98
  5. Step 5: Solve for x
    x = 657,352,756.98/29,000.84
  6. Step 6: Final answer
    x = 22,666.68

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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.