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Finding the Fourth Proportional to 2,326.71, 3,490.16 and 745.59

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Solution

The fourth proportional to 2,326.71, 3,490.16 and 745.59 is: 1,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.71 : 3,490.16 = 745.59 : x
  2. Step 2: Convert to fraction form
    2,326.71/3,490.16 = 745.59/x
  3. Step 3: Cross multiply
    2,326.71x = 3,490.16 × 745.59
  4. Step 4: Simplify right side
    2,326.71x = 2,602,212.81
  5. Step 5: Solve for x
    x = 2,602,212.81/2,326.71
  6. Step 6: Final answer
    x = 1,118.41

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1.5x scale

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.