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Finding the Fourth Proportional to 18,435.84, 27,655.18 and 6,592.13

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Solution

The fourth proportional to 18,435.84, 27,655.18 and 6,592.13 is: 9,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.84 : 27,655.18 = 6,592.13 : x
  2. Step 2: Convert to fraction form
    18,435.84/27,655.18 = 6,592.13/x
  3. Step 3: Cross multiply
    18,435.84x = 27,655.18 × 6,592.13
  4. Step 4: Simplify right side
    18,435.84x = 182,306,403.46
  5. Step 5: Solve for x
    x = 182,306,403.46/18,435.84
  6. Step 6: Final answer
    x = 9,888.70

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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.