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Finding the Fourth Proportional to 4,531.07, 6,798.15 and 1,411.79

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Solution

The fourth proportional to 4,531.07, 6,798.15 and 1,411.79 is: 2,118.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,531.07 : 6,798.15 = 1,411.79 : x
  2. Step 2: Convert to fraction form
    4,531.07/6,798.15 = 1,411.79/x
  3. Step 3: Cross multiply
    4,531.07x = 6,798.15 × 1,411.79
  4. Step 4: Simplify right side
    4,531.07x = 9,597,526.20
  5. Step 5: Solve for x
    x = 9,597,526.20/4,531.07
  6. Step 6: Final answer
    x = 2,118.16

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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.