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Finding the Fourth Proportional to 5,347.54, 7,363.47 and 4,786.21

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Solution

The fourth proportional to 5,347.54, 7,363.47 and 4,786.21 is: 6,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.54 : 7,363.47 = 4,786.21 : x
  2. Step 2: Convert to fraction form
    5,347.54/7,363.47 = 4,786.21/x
  3. Step 3: Cross multiply
    5,347.54x = 7,363.47 × 4,786.21
  4. Step 4: Simplify right side
    5,347.54x = 35,243,113.75
  5. Step 5: Solve for x
    x = 35,243,113.75/5,347.54
  6. Step 6: Final answer
    x = 6,590.53

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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.