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Finding the Fourth Proportional to 7,599.31, 10,478.78 and 4,941.79

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Solution

The fourth proportional to 7,599.31, 10,478.78 and 4,941.79 is: 6,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.31 : 10,478.78 = 4,941.79 : x
  2. Step 2: Convert to fraction form
    7,599.31/10,478.78 = 4,941.79/x
  3. Step 3: Cross multiply
    7,599.31x = 10,478.78 × 4,941.79
  4. Step 4: Simplify right side
    7,599.31x = 51,783,897.84
  5. Step 5: Solve for x
    x = 51,783,897.84/7,599.31
  6. Step 6: Final answer
    x = 6,814.29

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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.