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Finding the Fourth Proportional to 6,879.06, 9,492.51 and 4,046.55

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Solution

The fourth proportional to 6,879.06, 9,492.51 and 4,046.55 is: 5,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.06 : 9,492.51 = 4,046.55 : x
  2. Step 2: Convert to fraction form
    6,879.06/9,492.51 = 4,046.55/x
  3. Step 3: Cross multiply
    6,879.06x = 9,492.51 × 4,046.55
  4. Step 4: Simplify right side
    6,879.06x = 38,411,916.34
  5. Step 5: Solve for x
    x = 38,411,916.34/6,879.06
  6. Step 6: Final answer
    x = 5,583.89

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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.