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Finding the Fourth Proportional to 18,347.65, 27,530.58 and 7,262.29

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Solution

The fourth proportional to 18,347.65, 27,530.58 and 7,262.29 is: 10,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.65 : 27,530.58 = 7,262.29 : x
  2. Step 2: Convert to fraction form
    18,347.65/27,530.58 = 7,262.29/x
  3. Step 3: Cross multiply
    18,347.65x = 27,530.58 × 7,262.29
  4. Step 4: Simplify right side
    18,347.65x = 199,935,117.48
  5. Step 5: Solve for x
    x = 199,935,117.48/18,347.65
  6. Step 6: Final answer
    x = 10,897.04

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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.