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Finding the Fourth Proportional to 10,449.53, 14,420.35 and 5,973.38

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Solution

The fourth proportional to 10,449.53, 14,420.35 and 5,973.38 is: 8,243.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.53 : 14,420.35 = 5,973.38 : x
  2. Step 2: Convert to fraction form
    10,449.53/14,420.35 = 5,973.38/x
  3. Step 3: Cross multiply
    10,449.53x = 14,420.35 × 5,973.38
  4. Step 4: Simplify right side
    10,449.53x = 86,138,158.18
  5. Step 5: Solve for x
    x = 86,138,158.18/10,449.53
  6. Step 6: Final answer
    x = 8,243.26

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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.