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Finding the Fourth Proportional to 60,672, 91,008 and 16,896

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Solution

The fourth proportional to 60,672, 91,008 and 16,896 is: 25,344

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,672 : 91,008 = 16,896 : x
  2. Step 2: Convert to fraction form
    60,672/91,008 = 16,896/x
  3. Step 3: Cross multiply
    60,672x = 91,008 × 16,896
  4. Step 4: Simplify right side
    60,672x = 1,537,671,168
  5. Step 5: Solve for x
    x = 1,537,671,168/60,672
  6. Step 6: Final answer
    x = 25,344

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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.