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Finding the Fourth Proportional to 5,506.84, 7,619.14 and 4,810.24

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Solution

The fourth proportional to 5,506.84, 7,619.14 and 4,810.24 is: 6,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506.84 : 7,619.14 = 4,810.24 : x
  2. Step 2: Convert to fraction form
    5,506.84/7,619.14 = 4,810.24/x
  3. Step 3: Cross multiply
    5,506.84x = 7,619.14 × 4,810.24
  4. Step 4: Simplify right side
    5,506.84x = 36,649,891.99
  5. Step 5: Solve for x
    x = 36,649,891.99/5,506.84
  6. Step 6: Final answer
    x = 6,655.34

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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.