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Finding the Fourth Proportional to 8,533.71, 12,798.65 and 3,061.71

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Solution

The fourth proportional to 8,533.71, 12,798.65 and 3,061.71 is: 4,591.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,533.71 : 12,798.65 = 3,061.71 : x
  2. Step 2: Convert to fraction form
    8,533.71/12,798.65 = 3,061.71/x
  3. Step 3: Cross multiply
    8,533.71x = 12,798.65 × 3,061.71
  4. Step 4: Simplify right side
    8,533.71x = 39,185,739.38
  5. Step 5: Solve for x
    x = 39,185,739.38/8,533.71
  6. Step 6: Final answer
    x = 4,591.88

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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.