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Finding the Fourth Proportional to 1,510.13, 2,084.00 and 847.02

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Solution

The fourth proportional to 1,510.13, 2,084.00 and 847.02 is: 1,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.13 : 2,084.00 = 847.02 : x
  2. Step 2: Convert to fraction form
    1,510.13/2,084.00 = 847.02/x
  3. Step 3: Cross multiply
    1,510.13x = 2,084.00 × 847.02
  4. Step 4: Simplify right side
    1,510.13x = 1,765,191.80
  5. Step 5: Solve for x
    x = 1,765,191.80/1,510.13
  6. Step 6: Final answer
    x = 1,168.90

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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.