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Finding the Fourth Proportional to 5,331.66, 7,357.68 and 2,973.66

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Solution

The fourth proportional to 5,331.66, 7,357.68 and 2,973.66 is: 4,103.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,331.66 : 7,357.68 = 2,973.66 : x
  2. Step 2: Convert to fraction form
    5,331.66/7,357.68 = 2,973.66/x
  3. Step 3: Cross multiply
    5,331.66x = 7,357.68 × 2,973.66
  4. Step 4: Simplify right side
    5,331.66x = 21,879,238.71
  5. Step 5: Solve for x
    x = 21,879,238.71/5,331.66
  6. Step 6: Final answer
    x = 4,103.64

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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.