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Finding the Fourth Proportional to 10,762.81, 14,853.00 and 6,514.64

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Solution

The fourth proportional to 10,762.81, 14,853.00 and 6,514.64 is: 8,990.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,762.81 : 14,853.00 = 6,514.64 : x
  2. Step 2: Convert to fraction form
    10,762.81/14,853.00 = 6,514.64/x
  3. Step 3: Cross multiply
    10,762.81x = 14,853.00 × 6,514.64
  4. Step 4: Simplify right side
    10,762.81x = 96,762,037.33
  5. Step 5: Solve for x
    x = 96,762,037.33/10,762.81
  6. Step 6: Final answer
    x = 8,990.41

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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.