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Finding the Fourth Proportional to 3,048.79, 4,573.18 and 740.29

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Solution

The fourth proportional to 3,048.79, 4,573.18 and 740.29 is: 1,110.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,048.79 : 4,573.18 = 740.29 : x
  2. Step 2: Convert to fraction form
    3,048.79/4,573.18 = 740.29/x
  3. Step 3: Cross multiply
    3,048.79x = 4,573.18 × 740.29
  4. Step 4: Simplify right side
    3,048.79x = 3,385,473.33
  5. Step 5: Solve for x
    x = 3,385,473.33/3,048.79
  6. Step 6: Final answer
    x = 1,110.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.