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Finding the Fourth Proportional to 16,389.60, 24,584.40 and 10,552.80

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Solution

The fourth proportional to 16,389.60, 24,584.40 and 10,552.80 is: 15,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.60 : 24,584.40 = 10,552.80 : x
  2. Step 2: Convert to fraction form
    16,389.60/24,584.40 = 10,552.80/x
  3. Step 3: Cross multiply
    16,389.60x = 24,584.40 × 10,552.80
  4. Step 4: Simplify right side
    16,389.60x = 259,434,256.32
  5. Step 5: Solve for x
    x = 259,434,256.32/16,389.60
  6. Step 6: Final answer
    x = 15,829.20

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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.