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Finding the Fourth Proportional to 5,369.70, 7,394.85 and 4,834.02

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Solution

The fourth proportional to 5,369.70, 7,394.85 and 4,834.02 is: 6,657.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.70 : 7,394.85 = 4,834.02 : x
  2. Step 2: Convert to fraction form
    5,369.70/7,394.85 = 4,834.02/x
  3. Step 3: Cross multiply
    5,369.70x = 7,394.85 × 4,834.02
  4. Step 4: Simplify right side
    5,369.70x = 35,746,852.80
  5. Step 5: Solve for x
    x = 35,746,852.80/5,369.70
  6. Step 6: Final answer
    x = 6,657.14

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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.