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Finding the Fourth Proportional to 8,594.19, 11,859.98 and 4,817.39

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Solution

The fourth proportional to 8,594.19, 11,859.98 and 4,817.39 is: 6,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,594.19 : 11,859.98 = 4,817.39 : x
  2. Step 2: Convert to fraction form
    8,594.19/11,859.98 = 4,817.39/x
  3. Step 3: Cross multiply
    8,594.19x = 11,859.98 × 4,817.39
  4. Step 4: Simplify right side
    8,594.19x = 57,134,065.67
  5. Step 5: Solve for x
    x = 57,134,065.67/8,594.19
  6. Step 6: Final answer
    x = 6,647.99

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Half scale
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Double scale
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Similar ratio
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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.