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Finding the Fourth Proportional to 18,395.79, 27,597.33 and 7,307.70

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Solution

The fourth proportional to 18,395.79, 27,597.33 and 7,307.70 is: 10,963.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,395.79 : 27,597.33 = 7,307.70 : x
  2. Step 2: Convert to fraction form
    18,395.79/27,597.33 = 7,307.70/x
  3. Step 3: Cross multiply
    18,395.79x = 27,597.33 × 7,307.70
  4. Step 4: Simplify right side
    18,395.79x = 201,673,008.44
  5. Step 5: Solve for x
    x = 201,673,008.44/18,395.79
  6. Step 6: Final answer
    x = 10,963.00

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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.