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Finding the Fourth Proportional to 11,254.84, 15,532.22 and 6,779.99

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Solution

The fourth proportional to 11,254.84, 15,532.22 and 6,779.99 is: 9,356.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,254.84 : 15,532.22 = 6,779.99 : x
  2. Step 2: Convert to fraction form
    11,254.84/15,532.22 = 6,779.99/x
  3. Step 3: Cross multiply
    11,254.84x = 15,532.22 × 6,779.99
  4. Step 4: Simplify right side
    11,254.84x = 105,308,296.28
  5. Step 5: Solve for x
    x = 105,308,296.28/11,254.84
  6. Step 6: Final answer
    x = 9,356.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.