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Finding the Fourth Proportional to 8,526.77, 12,776.24 and 5,232.90

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Solution

The fourth proportional to 8,526.77, 12,776.24 and 5,232.90 is: 7,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.77 : 12,776.24 = 5,232.90 : x
  2. Step 2: Convert to fraction form
    8,526.77/12,776.24 = 5,232.90/x
  3. Step 3: Cross multiply
    8,526.77x = 12,776.24 × 5,232.90
  4. Step 4: Simplify right side
    8,526.77x = 66,856,799.38
  5. Step 5: Solve for x
    x = 66,856,799.38/8,526.77
  6. Step 6: Final answer
    x = 7,840.82

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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.