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Finding the Fourth Proportional to 4,526.86, 6,786.08 and 1,755.34

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Solution

The fourth proportional to 4,526.86, 6,786.08 and 1,755.34 is: 2,631.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,526.86 : 6,786.08 = 1,755.34 : x
  2. Step 2: Convert to fraction form
    4,526.86/6,786.08 = 1,755.34/x
  3. Step 3: Cross multiply
    4,526.86x = 6,786.08 × 1,755.34
  4. Step 4: Simplify right side
    4,526.86x = 11,911,877.67
  5. Step 5: Solve for x
    x = 11,911,877.67/4,526.86
  6. Step 6: Final answer
    x = 2,631.38

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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.