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Finding the Fourth Proportional to 5,237.94, 7,219.93 and 4,808.74

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Solution

The fourth proportional to 5,237.94, 7,219.93 and 4,808.74 is: 6,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.94 : 7,219.93 = 4,808.74 : x
  2. Step 2: Convert to fraction form
    5,237.94/7,219.93 = 4,808.74/x
  3. Step 3: Cross multiply
    5,237.94x = 7,219.93 × 4,808.74
  4. Step 4: Simplify right side
    5,237.94x = 34,718,766.19
  5. Step 5: Solve for x
    x = 34,718,766.19/5,237.94
  6. Step 6: Final answer
    x = 6,628.32

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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.