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Finding the Fourth Proportional to 60,426, 90,644.12 and 16,650

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Solution

The fourth proportional to 60,426, 90,644.12 and 16,650 is: 24,976.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,426 : 90,644.12 = 16,650 : x
  2. Step 2: Convert to fraction form
    60,426/90,644.12 = 16,650/x
  3. Step 3: Cross multiply
    60,426x = 90,644.12 × 16,650
  4. Step 4: Simplify right side
    60,426x = 1,509,224,598
  5. Step 5: Solve for x
    x = 1,509,224,598/60,426
  6. Step 6: Final answer
    x = 24,976.41

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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.