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Finding the Fourth Proportional to 5,872.50, 8,808.75 and 5,799.60

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Solution

The fourth proportional to 5,872.50, 8,808.75 and 5,799.60 is: 8,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.50 : 8,808.75 = 5,799.60 : x
  2. Step 2: Convert to fraction form
    5,872.50/8,808.75 = 5,799.60/x
  3. Step 3: Cross multiply
    5,872.50x = 8,808.75 × 5,799.60
  4. Step 4: Simplify right side
    5,872.50x = 51,087,226.50
  5. Step 5: Solve for x
    x = 51,087,226.50/5,872.50
  6. Step 6: Final answer
    x = 8,699.40

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.