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Finding the Fourth Proportional to 3,510.03, 4,843.84 and 1,938.12

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Solution

The fourth proportional to 3,510.03, 4,843.84 and 1,938.12 is: 2,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.03 : 4,843.84 = 1,938.12 : x
  2. Step 2: Convert to fraction form
    3,510.03/4,843.84 = 1,938.12/x
  3. Step 3: Cross multiply
    3,510.03x = 4,843.84 × 1,938.12
  4. Step 4: Simplify right side
    3,510.03x = 9,387,943.18
  5. Step 5: Solve for x
    x = 9,387,943.18/3,510.03
  6. Step 6: Final answer
    x = 2,674.60

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Half scale
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Double scale
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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.