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Finding the Fourth Proportional to 6,526.77, 9,003.77 and 3,872.30

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Solution

The fourth proportional to 6,526.77, 9,003.77 and 3,872.30 is: 5,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,526.77 : 9,003.77 = 3,872.30 : x
  2. Step 2: Convert to fraction form
    6,526.77/9,003.77 = 3,872.30/x
  3. Step 3: Cross multiply
    6,526.77x = 9,003.77 × 3,872.30
  4. Step 4: Simplify right side
    6,526.77x = 34,865,263.14
  5. Step 5: Solve for x
    x = 34,865,263.14/6,526.77
  6. Step 6: Final answer
    x = 5,341.89

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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.