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Finding the Fourth Proportional to 14,573.18, 21,859.13 and 6,671.16

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Solution

The fourth proportional to 14,573.18, 21,859.13 and 6,671.16 is: 10,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,573.18 : 21,859.13 = 6,671.16 : x
  2. Step 2: Convert to fraction form
    14,573.18/21,859.13 = 6,671.16/x
  3. Step 3: Cross multiply
    14,573.18x = 21,859.13 × 6,671.16
  4. Step 4: Simplify right side
    14,573.18x = 145,825,770.37
  5. Step 5: Solve for x
    x = 145,825,770.37/14,573.18
  6. Step 6: Final answer
    x = 10,006.45

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1.5x scale

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.