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Finding the Fourth Proportional to 16,770.06, 25,155 and 4,290.06

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Solution

The fourth proportional to 16,770.06, 25,155 and 4,290.06 is: 6,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.06 : 25,155 = 4,290.06 : x
  2. Step 2: Convert to fraction form
    16,770.06/25,155 = 4,290.06/x
  3. Step 3: Cross multiply
    16,770.06x = 25,155 × 4,290.06
  4. Step 4: Simplify right side
    16,770.06x = 107,916,459.30
  5. Step 5: Solve for x
    x = 107,916,459.30/16,770.06
  6. Step 6: Final answer
    x = 6,435.07

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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.