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Finding the Fourth Proportional to 12,499.44, 17,253.08 and 7,197.80

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Solution

The fourth proportional to 12,499.44, 17,253.08 and 7,197.80 is: 9,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.44 : 17,253.08 = 7,197.80 : x
  2. Step 2: Convert to fraction form
    12,499.44/17,253.08 = 7,197.80/x
  3. Step 3: Cross multiply
    12,499.44x = 17,253.08 × 7,197.80
  4. Step 4: Simplify right side
    12,499.44x = 124,184,096.97
  5. Step 5: Solve for x
    x = 124,184,096.97/12,499.44
  6. Step 6: Final answer
    x = 9,935.17

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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.