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Finding the Fourth Proportional to 10,572, 15,858 and 4,416

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Solution

The fourth proportional to 10,572, 15,858 and 4,416 is: 6,624

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,572 : 15,858 = 4,416 : x
  2. Step 2: Convert to fraction form
    10,572/15,858 = 4,416/x
  3. Step 3: Cross multiply
    10,572x = 15,858 × 4,416
  4. Step 4: Simplify right side
    10,572x = 70,028,928
  5. Step 5: Solve for x
    x = 70,028,928/10,572
  6. Step 6: Final answer
    x = 6,624

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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.