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Finding the Fourth Proportional to 16,303.40, 24,456.90 and 5,208.20

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Solution

The fourth proportional to 16,303.40, 24,456.90 and 5,208.20 is: 7,812.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,303.40 : 24,456.90 = 5,208.20 : x
  2. Step 2: Convert to fraction form
    16,303.40/24,456.90 = 5,208.20/x
  3. Step 3: Cross multiply
    16,303.40x = 24,456.90 × 5,208.20
  4. Step 4: Simplify right side
    16,303.40x = 127,376,426.58
  5. Step 5: Solve for x
    x = 127,376,426.58/16,303.40
  6. Step 6: Final answer
    x = 7,812.88

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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.