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Finding the Fourth Proportional to 4,674.06, 7,011.03 and 1,387.17

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Solution

The fourth proportional to 4,674.06, 7,011.03 and 1,387.17 is: 2,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.06 : 7,011.03 = 1,387.17 : x
  2. Step 2: Convert to fraction form
    4,674.06/7,011.03 = 1,387.17/x
  3. Step 3: Cross multiply
    4,674.06x = 7,011.03 × 1,387.17
  4. Step 4: Simplify right side
    4,674.06x = 9,725,490.49
  5. Step 5: Solve for x
    x = 9,725,490.49/4,674.06
  6. Step 6: Final answer
    x = 2,080.74

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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.