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Finding the Fourth Proportional to 7,449.99, 11,164.61 and 5,598.95

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Solution

The fourth proportional to 7,449.99, 11,164.61 and 5,598.95 is: 8,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.99 : 11,164.61 = 5,598.95 : x
  2. Step 2: Convert to fraction form
    7,449.99/11,164.61 = 5,598.95/x
  3. Step 3: Cross multiply
    7,449.99x = 11,164.61 × 5,598.95
  4. Step 4: Simplify right side
    7,449.99x = 62,510,009.34
  5. Step 5: Solve for x
    x = 62,510,009.34/7,449.99
  6. Step 6: Final answer
    x = 8,390.62

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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.