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Finding the Fourth Proportional to 4,328.74, 5,973.42 and 2,440.63

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Solution

The fourth proportional to 4,328.74, 5,973.42 and 2,440.63 is: 3,367.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.74 : 5,973.42 = 2,440.63 : x
  2. Step 2: Convert to fraction form
    4,328.74/5,973.42 = 2,440.63/x
  3. Step 3: Cross multiply
    4,328.74x = 5,973.42 × 2,440.63
  4. Step 4: Simplify right side
    4,328.74x = 14,578,908.05
  5. Step 5: Solve for x
    x = 14,578,908.05/4,328.74
  6. Step 6: Final answer
    x = 3,367.93

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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.