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Finding the Fourth Proportional to 6,533.76, 9,781.95 and 6,119.94

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Solution

The fourth proportional to 6,533.76, 9,781.95 and 6,119.94 is: 9,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,533.76 : 9,781.95 = 6,119.94 : x
  2. Step 2: Convert to fraction form
    6,533.76/9,781.95 = 6,119.94/x
  3. Step 3: Cross multiply
    6,533.76x = 9,781.95 × 6,119.94
  4. Step 4: Simplify right side
    6,533.76x = 59,864,947.08
  5. Step 5: Solve for x
    x = 59,864,947.08/6,533.76
  6. Step 6: Final answer
    x = 9,162.40

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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.