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Finding the Fourth Proportional to 1,473.99, 2,034.18 and 810.93

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Solution

The fourth proportional to 1,473.99, 2,034.18 and 810.93 is: 1,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.99 : 2,034.18 = 810.93 : x
  2. Step 2: Convert to fraction form
    1,473.99/2,034.18 = 810.93/x
  3. Step 3: Cross multiply
    1,473.99x = 2,034.18 × 810.93
  4. Step 4: Simplify right side
    1,473.99x = 1,649,577.59
  5. Step 5: Solve for x
    x = 1,649,577.59/1,473.99
  6. Step 6: Final answer
    x = 1,119.12

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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.