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Finding the Fourth Proportional to 17,880.84, 26,816.04 and 6,779.52

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Solution

The fourth proportional to 17,880.84, 26,816.04 and 6,779.52 is: 10,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.84 : 26,816.04 = 6,779.52 : x
  2. Step 2: Convert to fraction form
    17,880.84/26,816.04 = 6,779.52/x
  3. Step 3: Cross multiply
    17,880.84x = 26,816.04 × 6,779.52
  4. Step 4: Simplify right side
    17,880.84x = 181,799,879.50
  5. Step 5: Solve for x
    x = 181,799,879.50/17,880.84
  6. Step 6: Final answer
    x = 10,167.30

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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.