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Finding the Fourth Proportional to 16,683.60, 25,025.40 and 10,106.40

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Solution

The fourth proportional to 16,683.60, 25,025.40 and 10,106.40 is: 15,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.60 : 25,025.40 = 10,106.40 : x
  2. Step 2: Convert to fraction form
    16,683.60/25,025.40 = 10,106.40/x
  3. Step 3: Cross multiply
    16,683.60x = 25,025.40 × 10,106.40
  4. Step 4: Simplify right side
    16,683.60x = 252,916,702.56
  5. Step 5: Solve for x
    x = 252,916,702.56/16,683.60
  6. Step 6: Final answer
    x = 15,159.60

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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.