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Finding the Fourth Proportional to 7,314.99, 10,094.64 and 3,957.79

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Solution

The fourth proportional to 7,314.99, 10,094.64 and 3,957.79 is: 5,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,314.99 : 10,094.64 = 3,957.79 : x
  2. Step 2: Convert to fraction form
    7,314.99/10,094.64 = 3,957.79/x
  3. Step 3: Cross multiply
    7,314.99x = 10,094.64 × 3,957.79
  4. Step 4: Simplify right side
    7,314.99x = 39,952,465.25
  5. Step 5: Solve for x
    x = 39,952,465.25/7,314.99
  6. Step 6: Final answer
    x = 5,461.73

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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.