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Finding the Fourth Proportional to 14,590.65, 20,135.01 and 8,303.04

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Solution

The fourth proportional to 14,590.65, 20,135.01 and 8,303.04 is: 11,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.65 : 20,135.01 = 8,303.04 : x
  2. Step 2: Convert to fraction form
    14,590.65/20,135.01 = 8,303.04/x
  3. Step 3: Cross multiply
    14,590.65x = 20,135.01 × 8,303.04
  4. Step 4: Simplify right side
    14,590.65x = 167,181,793.43
  5. Step 5: Solve for x
    x = 167,181,793.43/14,590.65
  6. Step 6: Final answer
    x = 11,458.15

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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.