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Finding the Fourth Proportional to 4,714.75, 7,030.97 and 4,132.45

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Solution

The fourth proportional to 4,714.75, 7,030.97 and 4,132.45 is: 6,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,714.75 : 7,030.97 = 4,132.45 : x
  2. Step 2: Convert to fraction form
    4,714.75/7,030.97 = 4,132.45/x
  3. Step 3: Cross multiply
    4,714.75x = 7,030.97 × 4,132.45
  4. Step 4: Simplify right side
    4,714.75x = 29,055,131.98
  5. Step 5: Solve for x
    x = 29,055,131.98/4,714.75
  6. Step 6: Final answer
    x = 6,162.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.