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Finding the Fourth Proportional to 15,376, 23,064 and 4,432

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Solution

The fourth proportional to 15,376, 23,064 and 4,432 is: 6,648

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,376 : 23,064 = 4,432 : x
  2. Step 2: Convert to fraction form
    15,376/23,064 = 4,432/x
  3. Step 3: Cross multiply
    15,376x = 23,064 × 4,432
  4. Step 4: Simplify right side
    15,376x = 102,219,648
  5. Step 5: Solve for x
    x = 102,219,648/15,376
  6. Step 6: Final answer
    x = 6,648

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Why These Related Problems?

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