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Finding the Fourth Proportional to 6,861.06, 9,464.58 and 4,868.10

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Solution

The fourth proportional to 6,861.06, 9,464.58 and 4,868.10 is: 6,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.06 : 9,464.58 = 4,868.10 : x
  2. Step 2: Convert to fraction form
    6,861.06/9,464.58 = 4,868.10/x
  3. Step 3: Cross multiply
    6,861.06x = 9,464.58 × 4,868.10
  4. Step 4: Simplify right side
    6,861.06x = 46,074,521.90
  5. Step 5: Solve for x
    x = 46,074,521.90/6,861.06
  6. Step 6: Final answer
    x = 6,715.36

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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.