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Finding the Fourth Proportional to 16,208.79, 24,315.78 and 6,848.90

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Solution

The fourth proportional to 16,208.79, 24,315.78 and 6,848.90 is: 10,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,208.79 : 24,315.78 = 6,848.90 : x
  2. Step 2: Convert to fraction form
    16,208.79/24,315.78 = 6,848.90/x
  3. Step 3: Cross multiply
    16,208.79x = 24,315.78 × 6,848.90
  4. Step 4: Simplify right side
    16,208.79x = 166,536,345.64
  5. Step 5: Solve for x
    x = 166,536,345.64/16,208.79
  6. Step 6: Final answer
    x = 10,274.45

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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.