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Finding the Fourth Proportional to 6,462.91, 8,911.71 and 4,470.01

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Solution

The fourth proportional to 6,462.91, 8,911.71 and 4,470.01 is: 6,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.91 : 8,911.71 = 4,470.01 : x
  2. Step 2: Convert to fraction form
    6,462.91/8,911.71 = 4,470.01/x
  3. Step 3: Cross multiply
    6,462.91x = 8,911.71 × 4,470.01
  4. Step 4: Simplify right side
    6,462.91x = 39,835,432.82
  5. Step 5: Solve for x
    x = 39,835,432.82/6,462.91
  6. Step 6: Final answer
    x = 6,163.70

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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.