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Finding the Fourth Proportional to 5,799.02, 8,697.20 and 1,639.46

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Solution

The fourth proportional to 5,799.02, 8,697.20 and 1,639.46 is: 2,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.02 : 8,697.20 = 1,639.46 : x
  2. Step 2: Convert to fraction form
    5,799.02/8,697.20 = 1,639.46/x
  3. Step 3: Cross multiply
    5,799.02x = 8,697.20 × 1,639.46
  4. Step 4: Simplify right side
    5,799.02x = 14,258,711.51
  5. Step 5: Solve for x
    x = 14,258,711.51/5,799.02
  6. Step 6: Final answer
    x = 2,458.81

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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.