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Finding the Fourth Proportional to 7,314.50, 10,093.95 and 3,957.26

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Solution

The fourth proportional to 7,314.50, 10,093.95 and 3,957.26 is: 5,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.50 : 10,093.95 = 3,957.26 : x
  2. Step 2: Convert to fraction form
    7,314.50/10,093.95 = 3,957.26/x
  3. Step 3: Cross multiply
    7,314.50x = 10,093.95 × 3,957.26
  4. Step 4: Simplify right side
    7,314.50x = 39,944,334.11
  5. Step 5: Solve for x
    x = 39,944,334.11/7,314.50
  6. Step 6: Final answer
    x = 5,460.98

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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.