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Finding the Fourth Proportional to 18,425.16, 27,642.06 and 7,332.48

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Solution

The fourth proportional to 18,425.16, 27,642.06 and 7,332.48 is: 11,000.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.16 : 27,642.06 = 7,332.48 : x
  2. Step 2: Convert to fraction form
    18,425.16/27,642.06 = 7,332.48/x
  3. Step 3: Cross multiply
    18,425.16x = 27,642.06 × 7,332.48
  4. Step 4: Simplify right side
    18,425.16x = 202,684,852.11
  5. Step 5: Solve for x
    x = 202,684,852.11/18,425.16
  6. Step 6: Final answer
    x = 11,000.44

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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.