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Finding the Fourth Proportional to 1,740.51, 2,612.52 and 1,011.51

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Solution

The fourth proportional to 1,740.51, 2,612.52 and 1,011.51 is: 1,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.51 : 2,612.52 = 1,011.51 : x
  2. Step 2: Convert to fraction form
    1,740.51/2,612.52 = 1,011.51/x
  3. Step 3: Cross multiply
    1,740.51x = 2,612.52 × 1,011.51
  4. Step 4: Simplify right side
    1,740.51x = 2,642,590.11
  5. Step 5: Solve for x
    x = 2,642,590.11/1,740.51
  6. Step 6: Final answer
    x = 1,518.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.