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Finding the Fourth Proportional to 3,465.66, 5,200.54 and 1,275.93

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Solution

The fourth proportional to 3,465.66, 5,200.54 and 1,275.93 is: 1,914.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.66 : 5,200.54 = 1,275.93 : x
  2. Step 2: Convert to fraction form
    3,465.66/5,200.54 = 1,275.93/x
  3. Step 3: Cross multiply
    3,465.66x = 5,200.54 × 1,275.93
  4. Step 4: Simplify right side
    3,465.66x = 6,635,525.00
  5. Step 5: Solve for x
    x = 6,635,525.00/3,465.66
  6. Step 6: Final answer
    x = 1,914.65

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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.