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Finding the Fourth Proportional to 5,799.74, 8,699.60 and 3,720.74

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Solution

The fourth proportional to 5,799.74, 8,699.60 and 3,720.74 is: 5,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.74 : 8,699.60 = 3,720.74 : x
  2. Step 2: Convert to fraction form
    5,799.74/8,699.60 = 3,720.74/x
  3. Step 3: Cross multiply
    5,799.74x = 8,699.60 × 3,720.74
  4. Step 4: Simplify right side
    5,799.74x = 32,368,915.51
  5. Step 5: Solve for x
    x = 32,368,915.51/5,799.74
  6. Step 6: Final answer
    x = 5,581.10

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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.