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Finding the Fourth Proportional to 14,603.01, 20,152.03 and 8,231.65

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Solution

The fourth proportional to 14,603.01, 20,152.03 and 8,231.65 is: 11,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.01 : 20,152.03 = 8,231.65 : x
  2. Step 2: Convert to fraction form
    14,603.01/20,152.03 = 8,231.65/x
  3. Step 3: Cross multiply
    14,603.01x = 20,152.03 × 8,231.65
  4. Step 4: Simplify right side
    14,603.01x = 165,884,315.83
  5. Step 5: Solve for x
    x = 165,884,315.83/14,603.01
  6. Step 6: Final answer
    x = 11,359.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.