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Finding the Fourth Proportional to 16,578.66, 22,871.02 and 9,860.46

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Solution

The fourth proportional to 16,578.66, 22,871.02 and 9,860.46 is: 13,602.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,578.66 : 22,871.02 = 9,860.46 : x
  2. Step 2: Convert to fraction form
    16,578.66/22,871.02 = 9,860.46/x
  3. Step 3: Cross multiply
    16,578.66x = 22,871.02 × 9,860.46
  4. Step 4: Simplify right side
    16,578.66x = 225,518,777.87
  5. Step 5: Solve for x
    x = 225,518,777.87/16,578.66
  6. Step 6: Final answer
    x = 13,602.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.