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Finding the Fourth Proportional to 9,419.73, 13,000.26 and 6,019.87

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Solution

The fourth proportional to 9,419.73, 13,000.26 and 6,019.87 is: 8,308.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,419.73 : 13,000.26 = 6,019.87 : x
  2. Step 2: Convert to fraction form
    9,419.73/13,000.26 = 6,019.87/x
  3. Step 3: Cross multiply
    9,419.73x = 13,000.26 × 6,019.87
  4. Step 4: Simplify right side
    9,419.73x = 78,259,875.17
  5. Step 5: Solve for x
    x = 78,259,875.17/9,419.73
  6. Step 6: Final answer
    x = 8,308.08

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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.