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Finding the Fourth Proportional to 8,395.39, 12,598.80 and 3,465.01

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Solution

The fourth proportional to 8,395.39, 12,598.80 and 3,465.01 is: 5,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.39 : 12,598.80 = 3,465.01 : x
  2. Step 2: Convert to fraction form
    8,395.39/12,598.80 = 3,465.01/x
  3. Step 3: Cross multiply
    8,395.39x = 12,598.80 × 3,465.01
  4. Step 4: Simplify right side
    8,395.39x = 43,654,967.99
  5. Step 5: Solve for x
    x = 43,654,967.99/8,395.39
  6. Step 6: Final answer
    x = 5,199.87

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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.