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Finding the Fourth Proportional to 11,059.84, 16,598.88 and 7,779.52

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Solution

The fourth proportional to 11,059.84, 16,598.88 and 7,779.52 is: 11,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.84 : 16,598.88 = 7,779.52 : x
  2. Step 2: Convert to fraction form
    11,059.84/16,598.88 = 7,779.52/x
  3. Step 3: Cross multiply
    11,059.84x = 16,598.88 × 7,779.52
  4. Step 4: Simplify right side
    11,059.84x = 129,131,318.94
  5. Step 5: Solve for x
    x = 129,131,318.94/11,059.84
  6. Step 6: Final answer
    x = 11,675.70

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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.