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Finding the Fourth Proportional to 1,812.66, 2,497.20 and 1,703.67

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Solution

The fourth proportional to 1,812.66, 2,497.20 and 1,703.67 is: 2,347.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.66 : 2,497.20 = 1,703.67 : x
  2. Step 2: Convert to fraction form
    1,812.66/2,497.20 = 1,703.67/x
  3. Step 3: Cross multiply
    1,812.66x = 2,497.20 × 1,703.67
  4. Step 4: Simplify right side
    1,812.66x = 4,254,395.99
  5. Step 5: Solve for x
    x = 4,254,395.99/1,812.66
  6. Step 6: Final answer
    x = 2,347.05

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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.