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Finding the Fourth Proportional to 16,692, 25,038 and 4,380

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Solution

The fourth proportional to 16,692, 25,038 and 4,380 is: 6,570

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,692 : 25,038 = 4,380 : x
  2. Step 2: Convert to fraction form
    16,692/25,038 = 4,380/x
  3. Step 3: Cross multiply
    16,692x = 25,038 × 4,380
  4. Step 4: Simplify right side
    16,692x = 109,666,440
  5. Step 5: Solve for x
    x = 109,666,440/16,692
  6. Step 6: Final answer
    x = 6,570

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.