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Finding the Fourth Proportional to 16,671.40, 25,007.10 and 6,804.20

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Solution

The fourth proportional to 16,671.40, 25,007.10 and 6,804.20 is: 10,206.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,671.40 : 25,007.10 = 6,804.20 : x
  2. Step 2: Convert to fraction form
    16,671.40/25,007.10 = 6,804.20/x
  3. Step 3: Cross multiply
    16,671.40x = 25,007.10 × 6,804.20
  4. Step 4: Simplify right side
    16,671.40x = 170,153,309.82
  5. Step 5: Solve for x
    x = 170,153,309.82/16,671.40
  6. Step 6: Final answer
    x = 10,206.30

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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.