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Finding the Fourth Proportional to 18,598.95, 27,903.87 and 7,499.93

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Solution

The fourth proportional to 18,598.95, 27,903.87 and 7,499.93 is: 11,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,598.95 : 27,903.87 = 7,499.93 : x
  2. Step 2: Convert to fraction form
    18,598.95/27,903.87 = 7,499.93/x
  3. Step 3: Cross multiply
    18,598.95x = 27,903.87 × 7,499.93
  4. Step 4: Simplify right side
    18,598.95x = 209,276,932.21
  5. Step 5: Solve for x
    x = 209,276,932.21/18,598.95
  6. Step 6: Final answer
    x = 11,252.08

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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.