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Finding the Fourth Proportional to 8,410.59, 11,606.90 and 4,634.19

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Solution

The fourth proportional to 8,410.59, 11,606.90 and 4,634.19 is: 6,395.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,410.59 : 11,606.90 = 4,634.19 : x
  2. Step 2: Convert to fraction form
    8,410.59/11,606.90 = 4,634.19/x
  3. Step 3: Cross multiply
    8,410.59x = 11,606.90 × 4,634.19
  4. Step 4: Simplify right side
    8,410.59x = 53,788,556.74
  5. Step 5: Solve for x
    x = 53,788,556.74/8,410.59
  6. Step 6: Final answer
    x = 6,395.34

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Half scale
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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.