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Finding the Fourth Proportional to 13,300.67, 19,948.84 and 6,280.67

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Solution

The fourth proportional to 13,300.67, 19,948.84 and 6,280.67 is: 9,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.67 : 19,948.84 = 6,280.67 : x
  2. Step 2: Convert to fraction form
    13,300.67/19,948.84 = 6,280.67/x
  3. Step 3: Cross multiply
    13,300.67x = 19,948.84 × 6,280.67
  4. Step 4: Simplify right side
    13,300.67x = 125,292,080.92
  5. Step 5: Solve for x
    x = 125,292,080.92/13,300.67
  6. Step 6: Final answer
    x = 9,419.98

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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.