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Finding the Fourth Proportional to 10,955.84, 16,435.13 and 3,561.08

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Solution

The fourth proportional to 10,955.84, 16,435.13 and 3,561.08 is: 5,342.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.84 : 16,435.13 = 3,561.08 : x
  2. Step 2: Convert to fraction form
    10,955.84/16,435.13 = 3,561.08/x
  3. Step 3: Cross multiply
    10,955.84x = 16,435.13 × 3,561.08
  4. Step 4: Simplify right side
    10,955.84x = 58,526,712.76
  5. Step 5: Solve for x
    x = 58,526,712.76/10,955.84
  6. Step 6: Final answer
    x = 5,342.06

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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.