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Finding the Fourth Proportional to 8,281.60, 11,435.52 and 5,499.52

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Solution

The fourth proportional to 8,281.60, 11,435.52 and 5,499.52 is: 7,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,281.60 : 11,435.52 = 5,499.52 : x
  2. Step 2: Convert to fraction form
    8,281.60/11,435.52 = 5,499.52/x
  3. Step 3: Cross multiply
    8,281.60x = 11,435.52 × 5,499.52
  4. Step 4: Simplify right side
    8,281.60x = 62,889,870.95
  5. Step 5: Solve for x
    x = 62,889,870.95/8,281.60
  6. Step 6: Final answer
    x = 7,593.93

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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.