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Finding the Fourth Proportional to 8,798.48, 13,171.88 and 5,501.60

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Solution

The fourth proportional to 8,798.48, 13,171.88 and 5,501.60 is: 8,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.48 : 13,171.88 = 5,501.60 : x
  2. Step 2: Convert to fraction form
    8,798.48/13,171.88 = 5,501.60/x
  3. Step 3: Cross multiply
    8,798.48x = 13,171.88 × 5,501.60
  4. Step 4: Simplify right side
    8,798.48x = 72,466,415.01
  5. Step 5: Solve for x
    x = 72,466,415.01/8,798.48
  6. Step 6: Final answer
    x = 8,236.24

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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.