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Finding the Fourth Proportional to 8,973.32, 13,459.43 and 3,349.90

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Solution

The fourth proportional to 8,973.32, 13,459.43 and 3,349.90 is: 5,024.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,973.32 : 13,459.43 = 3,349.90 : x
  2. Step 2: Convert to fraction form
    8,973.32/13,459.43 = 3,349.90/x
  3. Step 3: Cross multiply
    8,973.32x = 13,459.43 × 3,349.90
  4. Step 4: Simplify right side
    8,973.32x = 45,087,660.51
  5. Step 5: Solve for x
    x = 45,087,660.51/8,973.32
  6. Step 6: Final answer
    x = 5,024.64

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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.