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Finding the Fourth Proportional to 1,873.13, 2,566.15 and 1,803.02

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Solution

The fourth proportional to 1,873.13, 2,566.15 and 1,803.02 is: 2,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.13 : 2,566.15 = 1,803.02 : x
  2. Step 2: Convert to fraction form
    1,873.13/2,566.15 = 1,803.02/x
  3. Step 3: Cross multiply
    1,873.13x = 2,566.15 × 1,803.02
  4. Step 4: Simplify right side
    1,873.13x = 4,626,802.43
  5. Step 5: Solve for x
    x = 4,626,802.43/1,873.13
  6. Step 6: Final answer
    x = 2,470.10

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.