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Finding the Fourth Proportional to 6,359.91, 8,775.74 and 3,670.07

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Solution

The fourth proportional to 6,359.91, 8,775.74 and 3,670.07 is: 5,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,359.91 : 8,775.74 = 3,670.07 : x
  2. Step 2: Convert to fraction form
    6,359.91/8,775.74 = 3,670.07/x
  3. Step 3: Cross multiply
    6,359.91x = 8,775.74 × 3,670.07
  4. Step 4: Simplify right side
    6,359.91x = 32,207,580.10
  5. Step 5: Solve for x
    x = 32,207,580.10/6,359.91
  6. Step 6: Final answer
    x = 5,064.16

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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.