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Finding the Fourth Proportional to 3,726.68, 5,143.76 and 2,533.68

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Solution

The fourth proportional to 3,726.68, 5,143.76 and 2,533.68 is: 3,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.68 : 5,143.76 = 2,533.68 : x
  2. Step 2: Convert to fraction form
    3,726.68/5,143.76 = 2,533.68/x
  3. Step 3: Cross multiply
    3,726.68x = 5,143.76 × 2,533.68
  4. Step 4: Simplify right side
    3,726.68x = 13,032,641.84
  5. Step 5: Solve for x
    x = 13,032,641.84/3,726.68
  6. Step 6: Final answer
    x = 3,497.12

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1.5x scale

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.