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Finding the Fourth Proportional to 6,270.94, 8,651.64 and 4,385.53

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Solution

The fourth proportional to 6,270.94, 8,651.64 and 4,385.53 is: 6,050.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.94 : 8,651.64 = 4,385.53 : x
  2. Step 2: Convert to fraction form
    6,270.94/8,651.64 = 4,385.53/x
  3. Step 3: Cross multiply
    6,270.94x = 8,651.64 × 4,385.53
  4. Step 4: Simplify right side
    6,270.94x = 37,942,026.77
  5. Step 5: Solve for x
    x = 37,942,026.77/6,270.94
  6. Step 6: Final answer
    x = 6,050.45

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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.