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Finding the Fourth Proportional to 8,670.16, 13,005.24 and 2,514.64

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Solution

The fourth proportional to 8,670.16, 13,005.24 and 2,514.64 is: 3,771.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.16 : 13,005.24 = 2,514.64 : x
  2. Step 2: Convert to fraction form
    8,670.16/13,005.24 = 2,514.64/x
  3. Step 3: Cross multiply
    8,670.16x = 13,005.24 × 2,514.64
  4. Step 4: Simplify right side
    8,670.16x = 32,703,496.71
  5. Step 5: Solve for x
    x = 32,703,496.71/8,670.16
  6. Step 6: Final answer
    x = 3,771.96

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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.