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Finding the Fourth Proportional to 7,290.84, 10,061.88 and 4,104.45

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Solution

The fourth proportional to 7,290.84, 10,061.88 and 4,104.45 is: 5,664.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.84 : 10,061.88 = 4,104.45 : x
  2. Step 2: Convert to fraction form
    7,290.84/10,061.88 = 4,104.45/x
  3. Step 3: Cross multiply
    7,290.84x = 10,061.88 × 4,104.45
  4. Step 4: Simplify right side
    7,290.84x = 41,298,467.97
  5. Step 5: Solve for x
    x = 41,298,467.97/7,290.84
  6. Step 6: Final answer
    x = 5,664.43

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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.