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Finding the Fourth Proportional to 8,308.59, 11,465.68 and 4,582.59

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Solution

The fourth proportional to 8,308.59, 11,465.68 and 4,582.59 is: 6,323.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.59 : 11,465.68 = 4,582.59 : x
  2. Step 2: Convert to fraction form
    8,308.59/11,465.68 = 4,582.59/x
  3. Step 3: Cross multiply
    8,308.59x = 11,465.68 × 4,582.59
  4. Step 4: Simplify right side
    8,308.59x = 52,542,510.51
  5. Step 5: Solve for x
    x = 52,542,510.51/8,308.59
  6. Step 6: Final answer
    x = 6,323.88

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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.