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Finding the Fourth Proportional to 16,779.84, 25,148.04 and 6,907.68

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Solution

The fourth proportional to 16,779.84, 25,148.04 and 6,907.68 is: 10,352.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.84 : 25,148.04 = 6,907.68 : x
  2. Step 2: Convert to fraction form
    16,779.84/25,148.04 = 6,907.68/x
  3. Step 3: Cross multiply
    16,779.84x = 25,148.04 × 6,907.68
  4. Step 4: Simplify right side
    16,779.84x = 173,714,612.95
  5. Step 5: Solve for x
    x = 173,714,612.95/16,779.84
  6. Step 6: Final answer
    x = 10,352.58

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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.