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Finding the Fourth Proportional to 5,299.01, 7,910.41 and 4,914.53

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Solution

The fourth proportional to 5,299.01, 7,910.41 and 4,914.53 is: 7,336.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.01 : 7,910.41 = 4,914.53 : x
  2. Step 2: Convert to fraction form
    5,299.01/7,910.41 = 4,914.53/x
  3. Step 3: Cross multiply
    5,299.01x = 7,910.41 × 4,914.53
  4. Step 4: Simplify right side
    5,299.01x = 38,875,907.71
  5. Step 5: Solve for x
    x = 38,875,907.71/5,299.01
  6. Step 6: Final answer
    x = 7,336.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.