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Finding the Fourth Proportional to 12,598.55, 17,386.01 and 6,933.30

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Solution

The fourth proportional to 12,598.55, 17,386.01 and 6,933.30 is: 9,567.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598.55 : 17,386.01 = 6,933.30 : x
  2. Step 2: Convert to fraction form
    12,598.55/17,386.01 = 6,933.30/x
  3. Step 3: Cross multiply
    12,598.55x = 17,386.01 × 6,933.30
  4. Step 4: Simplify right side
    12,598.55x = 120,542,388.47
  5. Step 5: Solve for x
    x = 120,542,388.47/12,598.55
  6. Step 6: Final answer
    x = 9,567.96

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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.