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Finding the Fourth Proportional to 29,468.34, 40,666.59 and 16,893

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Solution

The fourth proportional to 29,468.34, 40,666.59 and 16,893 is: 23,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,468.34 : 40,666.59 = 16,893 : x
  2. Step 2: Convert to fraction form
    29,468.34/40,666.59 = 16,893/x
  3. Step 3: Cross multiply
    29,468.34x = 40,666.59 × 16,893
  4. Step 4: Simplify right side
    29,468.34x = 686,980,704.87
  5. Step 5: Solve for x
    x = 686,980,704.87/29,468.34
  6. Step 6: Final answer
    x = 23,312.50

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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.