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Finding the Fourth Proportional to 5,658.54, 7,809.21 and 3,300.18

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Solution

The fourth proportional to 5,658.54, 7,809.21 and 3,300.18 is: 4,554.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.54 : 7,809.21 = 3,300.18 : x
  2. Step 2: Convert to fraction form
    5,658.54/7,809.21 = 3,300.18/x
  3. Step 3: Cross multiply
    5,658.54x = 7,809.21 × 3,300.18
  4. Step 4: Simplify right side
    5,658.54x = 25,771,798.66
  5. Step 5: Solve for x
    x = 25,771,798.66/5,658.54
  6. Step 6: Final answer
    x = 4,554.50

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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.