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Finding the Fourth Proportional to 16,670.65, 24,999.90 and 6,671.20

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Solution

The fourth proportional to 16,670.65, 24,999.90 and 6,671.20 is: 10,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,670.65 : 24,999.90 = 6,671.20 : x
  2. Step 2: Convert to fraction form
    16,670.65/24,999.90 = 6,671.20/x
  3. Step 3: Cross multiply
    16,670.65x = 24,999.90 × 6,671.20
  4. Step 4: Simplify right side
    16,670.65x = 166,779,332.88
  5. Step 5: Solve for x
    x = 166,779,332.88/16,670.65
  6. Step 6: Final answer
    x = 10,004.37

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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.