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Finding the Fourth Proportional to 8,798.52, 12,141.56 and 5,263.68

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Solution

The fourth proportional to 8,798.52, 12,141.56 and 5,263.68 is: 7,263.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.52 : 12,141.56 = 5,263.68 : x
  2. Step 2: Convert to fraction form
    8,798.52/12,141.56 = 5,263.68/x
  3. Step 3: Cross multiply
    8,798.52x = 12,141.56 × 5,263.68
  4. Step 4: Simplify right side
    8,798.52x = 63,909,286.54
  5. Step 5: Solve for x
    x = 63,909,286.54/8,798.52
  6. Step 6: Final answer
    x = 7,263.64

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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.